Home / 2,948.38-4,069.14-1,903.48

Finding the Fourth Proportional to 2,948.38, 4,069.14 and 1,903.48

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Solution

The fourth proportional to 2,948.38, 4,069.14 and 1,903.48 is: 2,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.38 : 4,069.14 = 1,903.48 : x
  2. Step 2: Convert to fraction form
    2,948.38/4,069.14 = 1,903.48/x
  3. Step 3: Cross multiply
    2,948.38x = 4,069.14 × 1,903.48
  4. Step 4: Simplify right side
    2,948.38x = 7,745,526.61
  5. Step 5: Solve for x
    x = 7,745,526.61/2,948.38
  6. Step 6: Final answer
    x = 2,627.04

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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.