Home / 1,542.65-2,312.60-1,152.17

Finding the Fourth Proportional to 1,542.65, 2,312.60 and 1,152.17

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Solution

The fourth proportional to 1,542.65, 2,312.60 and 1,152.17 is: 1,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.65 : 2,312.60 = 1,152.17 : x
  2. Step 2: Convert to fraction form
    1,542.65/2,312.60 = 1,152.17/x
  3. Step 3: Cross multiply
    1,542.65x = 2,312.60 × 1,152.17
  4. Step 4: Simplify right side
    1,542.65x = 2,664,519.18
  5. Step 5: Solve for x
    x = 2,664,519.18/1,542.65
  6. Step 6: Final answer
    x = 1,727.24

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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.