Home / 1,432.08-1,976.82-1,058.88

Finding the Fourth Proportional to 1,432.08, 1,976.82 and 1,058.88

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Solution

The fourth proportional to 1,432.08, 1,976.82 and 1,058.88 is: 1,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.08 : 1,976.82 = 1,058.88 : x
  2. Step 2: Convert to fraction form
    1,432.08/1,976.82 = 1,058.88/x
  3. Step 3: Cross multiply
    1,432.08x = 1,976.82 × 1,058.88
  4. Step 4: Simplify right side
    1,432.08x = 2,093,215.16
  5. Step 5: Solve for x
    x = 2,093,215.16/1,432.08
  6. Step 6: Final answer
    x = 1,461.66

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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.