Home / 1,647.16-2,273.43-1,080.76

Finding the Fourth Proportional to 1,647.16, 2,273.43 and 1,080.76

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Solution

The fourth proportional to 1,647.16, 2,273.43 and 1,080.76 is: 1,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.16 : 2,273.43 = 1,080.76 : x
  2. Step 2: Convert to fraction form
    1,647.16/2,273.43 = 1,080.76/x
  3. Step 3: Cross multiply
    1,647.16x = 2,273.43 × 1,080.76
  4. Step 4: Simplify right side
    1,647.16x = 2,457,032.21
  5. Step 5: Solve for x
    x = 2,457,032.21/1,647.16
  6. Step 6: Final answer
    x = 1,491.68

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,648.16, 2,274.81 and 1,081.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.