Home / 1,525.61-2,288.42-1,447.70

Finding the Fourth Proportional to 1,525.61, 2,288.42 and 1,447.70

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Solution

The fourth proportional to 1,525.61, 2,288.42 and 1,447.70 is: 2,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.61 : 2,288.42 = 1,447.70 : x
  2. Step 2: Convert to fraction form
    1,525.61/2,288.42 = 1,447.70/x
  3. Step 3: Cross multiply
    1,525.61x = 2,288.42 × 1,447.70
  4. Step 4: Simplify right side
    1,525.61x = 3,312,951.53
  5. Step 5: Solve for x
    x = 3,312,951.53/1,525.61
  6. Step 6: Final answer
    x = 2,171.55

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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.