Home / 2,517.78-3,776.65-1,130.35

Finding the Fourth Proportional to 2,517.78, 3,776.65 and 1,130.35

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Solution

The fourth proportional to 2,517.78, 3,776.65 and 1,130.35 is: 1,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.78 : 3,776.65 = 1,130.35 : x
  2. Step 2: Convert to fraction form
    2,517.78/3,776.65 = 1,130.35/x
  3. Step 3: Cross multiply
    2,517.78x = 3,776.65 × 1,130.35
  4. Step 4: Simplify right side
    2,517.78x = 4,268,936.33
  5. Step 5: Solve for x
    x = 4,268,936.33/2,517.78
  6. Step 6: Final answer
    x = 1,695.52

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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.