Home / 2,452.78-3,384.30-1,569.70

Finding the Fourth Proportional to 2,452.78, 3,384.30 and 1,569.70

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Solution

The fourth proportional to 2,452.78, 3,384.30 and 1,569.70 is: 2,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.78 : 3,384.30 = 1,569.70 : x
  2. Step 2: Convert to fraction form
    2,452.78/3,384.30 = 1,569.70/x
  3. Step 3: Cross multiply
    2,452.78x = 3,384.30 × 1,569.70
  4. Step 4: Simplify right side
    2,452.78x = 5,312,335.71
  5. Step 5: Solve for x
    x = 5,312,335.71/2,452.78
  6. Step 6: Final answer
    x = 2,165.84

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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.