Home / 3,386.77-5,080.70-1,046.22

Finding the Fourth Proportional to 3,386.77, 5,080.70 and 1,046.22

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Solution

The fourth proportional to 3,386.77, 5,080.70 and 1,046.22 is: 1,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.77 : 5,080.70 = 1,046.22 : x
  2. Step 2: Convert to fraction form
    3,386.77/5,080.70 = 1,046.22/x
  3. Step 3: Cross multiply
    3,386.77x = 5,080.70 × 1,046.22
  4. Step 4: Simplify right side
    3,386.77x = 5,315,529.95
  5. Step 5: Solve for x
    x = 5,315,529.95/3,386.77
  6. Step 6: Final answer
    x = 1,569.50

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Half scale
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Double scale
Find fourth proportional to 3,387.77, 5,082.20 and 1,047.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.