Home / 1,752.78-2,418.90-1,162.92

Finding the Fourth Proportional to 1,752.78, 2,418.90 and 1,162.92

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Solution

The fourth proportional to 1,752.78, 2,418.90 and 1,162.92 is: 1,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.78 : 2,418.90 = 1,162.92 : x
  2. Step 2: Convert to fraction form
    1,752.78/2,418.90 = 1,162.92/x
  3. Step 3: Cross multiply
    1,752.78x = 2,418.90 × 1,162.92
  4. Step 4: Simplify right side
    1,752.78x = 2,812,987.19
  5. Step 5: Solve for x
    x = 2,812,987.19/1,752.78
  6. Step 6: Final answer
    x = 1,604.87

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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.