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Finding the Fourth Proportional to 3,368.64, 5,053.52 and 1,060

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Solution

The fourth proportional to 3,368.64, 5,053.52 and 1,060 is: 1,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.64 : 5,053.52 = 1,060 : x
  2. Step 2: Convert to fraction form
    3,368.64/5,053.52 = 1,060/x
  3. Step 3: Cross multiply
    3,368.64x = 5,053.52 × 1,060
  4. Step 4: Simplify right side
    3,368.64x = 5,356,731.20
  5. Step 5: Solve for x
    x = 5,356,731.20/3,368.64
  6. Step 6: Final answer
    x = 1,590.18

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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.