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Finding the Fourth Proportional to 1,252.04, 1,877.10 and 558.48

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Solution

The fourth proportional to 1,252.04, 1,877.10 and 558.48 is: 837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.04 : 1,877.10 = 558.48 : x
  2. Step 2: Convert to fraction form
    1,252.04/1,877.10 = 558.48/x
  3. Step 3: Cross multiply
    1,252.04x = 1,877.10 × 558.48
  4. Step 4: Simplify right side
    1,252.04x = 1,048,322.81
  5. Step 5: Solve for x
    x = 1,048,322.81/1,252.04
  6. Step 6: Final answer
    x = 837.30

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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.