Home / 1,655.39-2,285.16-1,058.66

Finding the Fourth Proportional to 1,655.39, 2,285.16 and 1,058.66

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Solution

The fourth proportional to 1,655.39, 2,285.16 and 1,058.66 is: 1,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.39 : 2,285.16 = 1,058.66 : x
  2. Step 2: Convert to fraction form
    1,655.39/2,285.16 = 1,058.66/x
  3. Step 3: Cross multiply
    1,655.39x = 2,285.16 × 1,058.66
  4. Step 4: Simplify right side
    1,655.39x = 2,419,209.23
  5. Step 5: Solve for x
    x = 2,419,209.23/1,655.39
  6. Step 6: Final answer
    x = 1,461.42

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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.