Home / 2,291.72-3,437.60-1,058.76

Finding the Fourth Proportional to 2,291.72, 3,437.60 and 1,058.76

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Solution

The fourth proportional to 2,291.72, 3,437.60 and 1,058.76 is: 1,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.72 : 3,437.60 = 1,058.76 : x
  2. Step 2: Convert to fraction form
    2,291.72/3,437.60 = 1,058.76/x
  3. Step 3: Cross multiply
    2,291.72x = 3,437.60 × 1,058.76
  4. Step 4: Simplify right side
    2,291.72x = 3,639,593.38
  5. Step 5: Solve for x
    x = 3,639,593.38/2,291.72
  6. Step 6: Final answer
    x = 1,588.15

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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.