Home / 3,737.30-5,156.33-2,165.09

Finding the Fourth Proportional to 3,737.30, 5,156.33 and 2,165.09

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Solution

The fourth proportional to 3,737.30, 5,156.33 and 2,165.09 is: 2,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.30 : 5,156.33 = 2,165.09 : x
  2. Step 2: Convert to fraction form
    3,737.30/5,156.33 = 2,165.09/x
  3. Step 3: Cross multiply
    3,737.30x = 5,156.33 × 2,165.09
  4. Step 4: Simplify right side
    3,737.30x = 11,163,881.91
  5. Step 5: Solve for x
    x = 11,163,881.91/3,737.30
  6. Step 6: Final answer
    x = 2,987.16

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1.5x scale

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.