Home / 3,440.27-4,747.62-1,948.16

Finding the Fourth Proportional to 3,440.27, 4,747.62 and 1,948.16

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Solution

The fourth proportional to 3,440.27, 4,747.62 and 1,948.16 is: 2,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.27 : 4,747.62 = 1,948.16 : x
  2. Step 2: Convert to fraction form
    3,440.27/4,747.62 = 1,948.16/x
  3. Step 3: Cross multiply
    3,440.27x = 4,747.62 × 1,948.16
  4. Step 4: Simplify right side
    3,440.27x = 9,249,099.64
  5. Step 5: Solve for x
    x = 9,249,099.64/3,440.27
  6. Step 6: Final answer
    x = 2,688.48

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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.