Home / 1,715.04-2,572.56-943.20

Finding the Fourth Proportional to 1,715.04, 2,572.56 and 943.20

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Solution

The fourth proportional to 1,715.04, 2,572.56 and 943.20 is: 1,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.04 : 2,572.56 = 943.20 : x
  2. Step 2: Convert to fraction form
    1,715.04/2,572.56 = 943.20/x
  3. Step 3: Cross multiply
    1,715.04x = 2,572.56 × 943.20
  4. Step 4: Simplify right side
    1,715.04x = 2,426,438.59
  5. Step 5: Solve for x
    x = 2,426,438.59/1,715.04
  6. Step 6: Final answer
    x = 1,414.80

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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.