Home / 1,051.29-1,451.27-609.11

Finding the Fourth Proportional to 1,051.29, 1,451.27 and 609.11

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Solution

The fourth proportional to 1,051.29, 1,451.27 and 609.11 is: 840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.29 : 1,451.27 = 609.11 : x
  2. Step 2: Convert to fraction form
    1,051.29/1,451.27 = 609.11/x
  3. Step 3: Cross multiply
    1,051.29x = 1,451.27 × 609.11
  4. Step 4: Simplify right side
    1,051.29x = 883,972.77
  5. Step 5: Solve for x
    x = 883,972.77/1,051.29
  6. Step 6: Final answer
    x = 840.85

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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.