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Finding the Fourth Proportional to 3,602.07, 5,400.68 and 1,521.59

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Solution

The fourth proportional to 3,602.07, 5,400.68 and 1,521.59 is: 2,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.07 : 5,400.68 = 1,521.59 : x
  2. Step 2: Convert to fraction form
    3,602.07/5,400.68 = 1,521.59/x
  3. Step 3: Cross multiply
    3,602.07x = 5,400.68 × 1,521.59
  4. Step 4: Simplify right side
    3,602.07x = 8,217,586.07
  5. Step 5: Solve for x
    x = 8,217,586.07/3,602.07
  6. Step 6: Final answer
    x = 2,281.35

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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.