Home / 1,350.35-2,025.60-425.98

Finding the Fourth Proportional to 1,350.35, 2,025.60 and 425.98

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Solution

The fourth proportional to 1,350.35, 2,025.60 and 425.98 is: 638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.35 : 2,025.60 = 425.98 : x
  2. Step 2: Convert to fraction form
    1,350.35/2,025.60 = 425.98/x
  3. Step 3: Cross multiply
    1,350.35x = 2,025.60 × 425.98
  4. Step 4: Simplify right side
    1,350.35x = 862,854.63
  5. Step 5: Solve for x
    x = 862,854.63/1,350.35
  6. Step 6: Final answer
    x = 638.99

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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.