Home / 2,407.40-3,611.10-1,432.84

Finding the Fourth Proportional to 2,407.40, 3,611.10 and 1,432.84

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Solution

The fourth proportional to 2,407.40, 3,611.10 and 1,432.84 is: 2,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.40 : 3,611.10 = 1,432.84 : x
  2. Step 2: Convert to fraction form
    2,407.40/3,611.10 = 1,432.84/x
  3. Step 3: Cross multiply
    2,407.40x = 3,611.10 × 1,432.84
  4. Step 4: Simplify right side
    2,407.40x = 5,174,128.52
  5. Step 5: Solve for x
    x = 5,174,128.52/2,407.40
  6. Step 6: Final answer
    x = 2,149.26

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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.