Home / 3,681.30-5,077.40-2,500.32

Finding the Fourth Proportional to 3,681.30, 5,077.40 and 2,500.32

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Solution

The fourth proportional to 3,681.30, 5,077.40 and 2,500.32 is: 3,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.30 : 5,077.40 = 2,500.32 : x
  2. Step 2: Convert to fraction form
    3,681.30/5,077.40 = 2,500.32/x
  3. Step 3: Cross multiply
    3,681.30x = 5,077.40 × 2,500.32
  4. Step 4: Simplify right side
    3,681.30x = 12,695,124.77
  5. Step 5: Solve for x
    x = 12,695,124.77/3,681.30
  6. Step 6: Final answer
    x = 3,448.54

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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.