Home / 1,374.15-2,061.24-1,099.89

Finding the Fourth Proportional to 1,374.15, 2,061.24 and 1,099.89

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Solution

The fourth proportional to 1,374.15, 2,061.24 and 1,099.89 is: 1,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.15 : 2,061.24 = 1,099.89 : x
  2. Step 2: Convert to fraction form
    1,374.15/2,061.24 = 1,099.89/x
  3. Step 3: Cross multiply
    1,374.15x = 2,061.24 × 1,099.89
  4. Step 4: Simplify right side
    1,374.15x = 2,267,137.26
  5. Step 5: Solve for x
    x = 2,267,137.26/1,374.15
  6. Step 6: Final answer
    x = 1,649.85

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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.