Home / 3,572.46-5,355.90-1,491.12

Finding the Fourth Proportional to 3,572.46, 5,355.90 and 1,491.12

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Solution

The fourth proportional to 3,572.46, 5,355.90 and 1,491.12 is: 2,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.46 : 5,355.90 = 1,491.12 : x
  2. Step 2: Convert to fraction form
    3,572.46/5,355.90 = 1,491.12/x
  3. Step 3: Cross multiply
    3,572.46x = 5,355.90 × 1,491.12
  4. Step 4: Simplify right side
    3,572.46x = 7,986,289.61
  5. Step 5: Solve for x
    x = 7,986,289.61/3,572.46
  6. Step 6: Final answer
    x = 2,235.52

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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.