Home / 3,545.51-4,892.72-2,219.95

Finding the Fourth Proportional to 3,545.51, 4,892.72 and 2,219.95

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Solution

The fourth proportional to 3,545.51, 4,892.72 and 2,219.95 is: 3,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.51 : 4,892.72 = 2,219.95 : x
  2. Step 2: Convert to fraction form
    3,545.51/4,892.72 = 2,219.95/x
  3. Step 3: Cross multiply
    3,545.51x = 4,892.72 × 2,219.95
  4. Step 4: Simplify right side
    3,545.51x = 10,861,587.08
  5. Step 5: Solve for x
    x = 10,861,587.08/3,545.51
  6. Step 6: Final answer
    x = 3,063.47

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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.