Home / 1,058.02-1,587.27-400.18

Finding the Fourth Proportional to 1,058.02, 1,587.27 and 400.18

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Solution

The fourth proportional to 1,058.02, 1,587.27 and 400.18 is: 600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.02 : 1,587.27 = 400.18 : x
  2. Step 2: Convert to fraction form
    1,058.02/1,587.27 = 400.18/x
  3. Step 3: Cross multiply
    1,058.02x = 1,587.27 × 400.18
  4. Step 4: Simplify right side
    1,058.02x = 635,193.71
  5. Step 5: Solve for x
    x = 635,193.71/1,058.02
  6. Step 6: Final answer
    x = 600.36

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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.