Home / 3,432.93-5,139.54-2,912.91

Finding the Fourth Proportional to 3,432.93, 5,139.54 and 2,912.91

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Solution

The fourth proportional to 3,432.93, 5,139.54 and 2,912.91 is: 4,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.93 : 5,139.54 = 2,912.91 : x
  2. Step 2: Convert to fraction form
    3,432.93/5,139.54 = 2,912.91/x
  3. Step 3: Cross multiply
    3,432.93x = 5,139.54 × 2,912.91
  4. Step 4: Simplify right side
    3,432.93x = 14,971,017.46
  5. Step 5: Solve for x
    x = 14,971,017.46/3,432.93
  6. Step 6: Final answer
    x = 4,361.00

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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.