Home / 1,732.40-2,389.52-1,068.60

Finding the Fourth Proportional to 1,732.40, 2,389.52 and 1,068.60

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Solution

The fourth proportional to 1,732.40, 2,389.52 and 1,068.60 is: 1,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.40 : 2,389.52 = 1,068.60 : x
  2. Step 2: Convert to fraction form
    1,732.40/2,389.52 = 1,068.60/x
  3. Step 3: Cross multiply
    1,732.40x = 2,389.52 × 1,068.60
  4. Step 4: Simplify right side
    1,732.40x = 2,553,441.07
  5. Step 5: Solve for x
    x = 2,553,441.07/1,732.40
  6. Step 6: Final answer
    x = 1,473.93

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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.