Home / 3,154.56-4,355.61-2,036.15

Finding the Fourth Proportional to 3,154.56, 4,355.61 and 2,036.15

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Solution

The fourth proportional to 3,154.56, 4,355.61 and 2,036.15 is: 2,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.56 : 4,355.61 = 2,036.15 : x
  2. Step 2: Convert to fraction form
    3,154.56/4,355.61 = 2,036.15/x
  3. Step 3: Cross multiply
    3,154.56x = 4,355.61 × 2,036.15
  4. Step 4: Simplify right side
    3,154.56x = 8,868,653.52
  5. Step 5: Solve for x
    x = 8,868,653.52/3,154.56
  6. Step 6: Final answer
    x = 2,811.38

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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.