Home / 1,647.52-2,273.32-948.76

Finding the Fourth Proportional to 1,647.52, 2,273.32 and 948.76

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Solution

The fourth proportional to 1,647.52, 2,273.32 and 948.76 is: 1,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.52 : 2,273.32 = 948.76 : x
  2. Step 2: Convert to fraction form
    1,647.52/2,273.32 = 948.76/x
  3. Step 3: Cross multiply
    1,647.52x = 2,273.32 × 948.76
  4. Step 4: Simplify right side
    1,647.52x = 2,156,835.08
  5. Step 5: Solve for x
    x = 2,156,835.08/1,647.52
  6. Step 6: Final answer
    x = 1,309.14

Related Problems

Find fourth proportional to 823.76, 1,136.66 and 474.38
Half scale
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Double scale
Find fourth proportional to 1,648.52, 2,274.70 and 949.76
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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.