Home / 3,190.32-4,402.56-1,845.83

Finding the Fourth Proportional to 3,190.32, 4,402.56 and 1,845.83

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Solution

The fourth proportional to 3,190.32, 4,402.56 and 1,845.83 is: 2,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.32 : 4,402.56 = 1,845.83 : x
  2. Step 2: Convert to fraction form
    3,190.32/4,402.56 = 1,845.83/x
  3. Step 3: Cross multiply
    3,190.32x = 4,402.56 × 1,845.83
  4. Step 4: Simplify right side
    3,190.32x = 8,126,377.32
  5. Step 5: Solve for x
    x = 8,126,377.32/3,190.32
  6. Step 6: Final answer
    x = 2,547.20

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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.