Home / 2,553.48-3,526.38-2,278.62

Finding the Fourth Proportional to 2,553.48, 3,526.38 and 2,278.62

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Solution

The fourth proportional to 2,553.48, 3,526.38 and 2,278.62 is: 3,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.48 : 3,526.38 = 2,278.62 : x
  2. Step 2: Convert to fraction form
    2,553.48/3,526.38 = 2,278.62/x
  3. Step 3: Cross multiply
    2,553.48x = 3,526.38 × 2,278.62
  4. Step 4: Simplify right side
    2,553.48x = 8,035,280.00
  5. Step 5: Solve for x
    x = 8,035,280.00/2,553.48
  6. Step 6: Final answer
    x = 3,146.80

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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.