Home / 3,440.77-4,748.43-1,948.75

Finding the Fourth Proportional to 3,440.77, 4,748.43 and 1,948.75

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Solution

The fourth proportional to 3,440.77, 4,748.43 and 1,948.75 is: 2,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.77 : 4,748.43 = 1,948.75 : x
  2. Step 2: Convert to fraction form
    3,440.77/4,748.43 = 1,948.75/x
  3. Step 3: Cross multiply
    3,440.77x = 4,748.43 × 1,948.75
  4. Step 4: Simplify right side
    3,440.77x = 9,253,502.96
  5. Step 5: Solve for x
    x = 9,253,502.96/3,440.77
  6. Step 6: Final answer
    x = 2,689.37

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Double scale
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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.