Home / 2,542.20-3,810.81-1,225.59

Finding the Fourth Proportional to 2,542.20, 3,810.81 and 1,225.59

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Solution

The fourth proportional to 2,542.20, 3,810.81 and 1,225.59 is: 1,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.20 : 3,810.81 = 1,225.59 : x
  2. Step 2: Convert to fraction form
    2,542.20/3,810.81 = 1,225.59/x
  3. Step 3: Cross multiply
    2,542.20x = 3,810.81 × 1,225.59
  4. Step 4: Simplify right side
    2,542.20x = 4,670,490.63
  5. Step 5: Solve for x
    x = 4,670,490.63/2,542.20
  6. Step 6: Final answer
    x = 1,837.18

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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.