Home / 1,731.78-2,389.10-1,032.75

Finding the Fourth Proportional to 1,731.78, 2,389.10 and 1,032.75

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Solution

The fourth proportional to 1,731.78, 2,389.10 and 1,032.75 is: 1,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.78 : 2,389.10 = 1,032.75 : x
  2. Step 2: Convert to fraction form
    1,731.78/2,389.10 = 1,032.75/x
  3. Step 3: Cross multiply
    1,731.78x = 2,389.10 × 1,032.75
  4. Step 4: Simplify right side
    1,731.78x = 2,467,337.86
  5. Step 5: Solve for x
    x = 2,467,337.86/1,731.78
  6. Step 6: Final answer
    x = 1,424.74

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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.