Home / 3,155.46-4,353.66-2,036.45

Finding the Fourth Proportional to 3,155.46, 4,353.66 and 2,036.45

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Solution

The fourth proportional to 3,155.46, 4,353.66 and 2,036.45 is: 2,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.46 : 4,353.66 = 2,036.45 : x
  2. Step 2: Convert to fraction form
    3,155.46/4,353.66 = 2,036.45/x
  3. Step 3: Cross multiply
    3,155.46x = 4,353.66 × 2,036.45
  4. Step 4: Simplify right side
    3,155.46x = 8,866,010.91
  5. Step 5: Solve for x
    x = 8,866,010.91/3,155.46
  6. Step 6: Final answer
    x = 2,809.74

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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.