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Finding the Fourth Proportional to 2,525.70, 3,790.80 and 1,484.40

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Solution

The fourth proportional to 2,525.70, 3,790.80 and 1,484.40 is: 2,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.70 : 3,790.80 = 1,484.40 : x
  2. Step 2: Convert to fraction form
    2,525.70/3,790.80 = 1,484.40/x
  3. Step 3: Cross multiply
    2,525.70x = 3,790.80 × 1,484.40
  4. Step 4: Simplify right side
    2,525.70x = 5,627,063.52
  5. Step 5: Solve for x
    x = 5,627,063.52/2,525.70
  6. Step 6: Final answer
    x = 2,227.92

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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.