Home / 3,440.65-4,748.27-1,948.49

Finding the Fourth Proportional to 3,440.65, 4,748.27 and 1,948.49

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Solution

The fourth proportional to 3,440.65, 4,748.27 and 1,948.49 is: 2,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.65 : 4,748.27 = 1,948.49 : x
  2. Step 2: Convert to fraction form
    3,440.65/4,748.27 = 1,948.49/x
  3. Step 3: Cross multiply
    3,440.65x = 4,748.27 × 1,948.49
  4. Step 4: Simplify right side
    3,440.65x = 9,251,946.87
  5. Step 5: Solve for x
    x = 9,251,946.87/3,440.65
  6. Step 6: Final answer
    x = 2,689.01

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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.