Home / 1,257.04-1,732.62-1,152.44

Finding the Fourth Proportional to 1,257.04, 1,732.62 and 1,152.44

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Solution

The fourth proportional to 1,257.04, 1,732.62 and 1,152.44 is: 1,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257.04 : 1,732.62 = 1,152.44 : x
  2. Step 2: Convert to fraction form
    1,257.04/1,732.62 = 1,152.44/x
  3. Step 3: Cross multiply
    1,257.04x = 1,732.62 × 1,152.44
  4. Step 4: Simplify right side
    1,257.04x = 1,996,740.59
  5. Step 5: Solve for x
    x = 1,996,740.59/1,257.04
  6. Step 6: Final answer
    x = 1,588.45

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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.