Home / 3,445.66-4,753.78-2,100.72

Finding the Fourth Proportional to 3,445.66, 4,753.78 and 2,100.72

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Solution

The fourth proportional to 3,445.66, 4,753.78 and 2,100.72 is: 2,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.66 : 4,753.78 = 2,100.72 : x
  2. Step 2: Convert to fraction form
    3,445.66/4,753.78 = 2,100.72/x
  3. Step 3: Cross multiply
    3,445.66x = 4,753.78 × 2,100.72
  4. Step 4: Simplify right side
    3,445.66x = 9,986,360.72
  5. Step 5: Solve for x
    x = 9,986,360.72/3,445.66
  6. Step 6: Final answer
    x = 2,898.24

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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.