Home / 3,635.99-5,011.68-2,572.40

Finding the Fourth Proportional to 3,635.99, 5,011.68 and 2,572.40

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Solution

The fourth proportional to 3,635.99, 5,011.68 and 2,572.40 is: 3,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.99 : 5,011.68 = 2,572.40 : x
  2. Step 2: Convert to fraction form
    3,635.99/5,011.68 = 2,572.40/x
  3. Step 3: Cross multiply
    3,635.99x = 5,011.68 × 2,572.40
  4. Step 4: Simplify right side
    3,635.99x = 12,892,045.63
  5. Step 5: Solve for x
    x = 12,892,045.63/3,635.99
  6. Step 6: Final answer
    x = 3,545.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.