Home / 3,158.91-4,360.10-1,832.45

Finding the Fourth Proportional to 3,158.91, 4,360.10 and 1,832.45

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Solution

The fourth proportional to 3,158.91, 4,360.10 and 1,832.45 is: 2,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.91 : 4,360.10 = 1,832.45 : x
  2. Step 2: Convert to fraction form
    3,158.91/4,360.10 = 1,832.45/x
  3. Step 3: Cross multiply
    3,158.91x = 4,360.10 × 1,832.45
  4. Step 4: Simplify right side
    3,158.91x = 7,989,634.28
  5. Step 5: Solve for x
    x = 7,989,634.28/3,158.91
  6. Step 6: Final answer
    x = 2,529.24

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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.