Home / 3,569.21-5,352.45-1,490.20

Finding the Fourth Proportional to 3,569.21, 5,352.45 and 1,490.20

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Solution

The fourth proportional to 3,569.21, 5,352.45 and 1,490.20 is: 2,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.21 : 5,352.45 = 1,490.20 : x
  2. Step 2: Convert to fraction form
    3,569.21/5,352.45 = 1,490.20/x
  3. Step 3: Cross multiply
    3,569.21x = 5,352.45 × 1,490.20
  4. Step 4: Simplify right side
    3,569.21x = 7,976,214.59
  5. Step 5: Solve for x
    x = 7,976,214.59/3,569.21
  6. Step 6: Final answer
    x = 2,234.73

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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.