Home / 3,440.04-4,747.28-1,868.12

Finding the Fourth Proportional to 3,440.04, 4,747.28 and 1,868.12

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Solution

The fourth proportional to 3,440.04, 4,747.28 and 1,868.12 is: 2,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.04 : 4,747.28 = 1,868.12 : x
  2. Step 2: Convert to fraction form
    3,440.04/4,747.28 = 1,868.12/x
  3. Step 3: Cross multiply
    3,440.04x = 4,747.28 × 1,868.12
  4. Step 4: Simplify right side
    3,440.04x = 8,868,488.71
  5. Step 5: Solve for x
    x = 8,868,488.71/3,440.04
  6. Step 6: Final answer
    x = 2,578.02

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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.