Home / 2,542.53-3,813.80-1,665.77

Finding the Fourth Proportional to 2,542.53, 3,813.80 and 1,665.77

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Solution

The fourth proportional to 2,542.53, 3,813.80 and 1,665.77 is: 2,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.53 : 3,813.80 = 1,665.77 : x
  2. Step 2: Convert to fraction form
    2,542.53/3,813.80 = 1,665.77/x
  3. Step 3: Cross multiply
    2,542.53x = 3,813.80 × 1,665.77
  4. Step 4: Simplify right side
    2,542.53x = 6,352,892.47
  5. Step 5: Solve for x
    x = 6,352,892.47/2,542.53
  6. Step 6: Final answer
    x = 2,498.65

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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.