Home / 2,255.34-3,114.30-1,417.45

Finding the Fourth Proportional to 2,255.34, 3,114.30 and 1,417.45

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Solution

The fourth proportional to 2,255.34, 3,114.30 and 1,417.45 is: 1,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.34 : 3,114.30 = 1,417.45 : x
  2. Step 2: Convert to fraction form
    2,255.34/3,114.30 = 1,417.45/x
  3. Step 3: Cross multiply
    2,255.34x = 3,114.30 × 1,417.45
  4. Step 4: Simplify right side
    2,255.34x = 4,414,359.93
  5. Step 5: Solve for x
    x = 4,414,359.93/2,255.34
  6. Step 6: Final answer
    x = 1,957.29

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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.