Home / 2,517.55-3,777.35-1,130.51

Finding the Fourth Proportional to 2,517.55, 3,777.35 and 1,130.51

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Solution

The fourth proportional to 2,517.55, 3,777.35 and 1,130.51 is: 1,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.55 : 3,777.35 = 1,130.51 : x
  2. Step 2: Convert to fraction form
    2,517.55/3,777.35 = 1,130.51/x
  3. Step 3: Cross multiply
    2,517.55x = 3,777.35 × 1,130.51
  4. Step 4: Simplify right side
    2,517.55x = 4,270,335.74
  5. Step 5: Solve for x
    x = 4,270,335.74/2,517.55
  6. Step 6: Final answer
    x = 1,696.23

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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.