Home / 3,693.24-5,531.34-2,390.76

Finding the Fourth Proportional to 3,693.24, 5,531.34 and 2,390.76

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Solution

The fourth proportional to 3,693.24, 5,531.34 and 2,390.76 is: 3,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.24 : 5,531.34 = 2,390.76 : x
  2. Step 2: Convert to fraction form
    3,693.24/5,531.34 = 2,390.76/x
  3. Step 3: Cross multiply
    3,693.24x = 5,531.34 × 2,390.76
  4. Step 4: Simplify right side
    3,693.24x = 13,224,106.42
  5. Step 5: Solve for x
    x = 13,224,106.42/3,693.24
  6. Step 6: Final answer
    x = 3,580.62

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1.5x scale

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.