Home / 3,854.42-5,313.80-2,437.40

Finding the Fourth Proportional to 3,854.42, 5,313.80 and 2,437.40

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Solution

The fourth proportional to 3,854.42, 5,313.80 and 2,437.40 is: 3,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.42 : 5,313.80 = 2,437.40 : x
  2. Step 2: Convert to fraction form
    3,854.42/5,313.80 = 2,437.40/x
  3. Step 3: Cross multiply
    3,854.42x = 5,313.80 × 2,437.40
  4. Step 4: Simplify right side
    3,854.42x = 12,951,856.12
  5. Step 5: Solve for x
    x = 12,951,856.12/3,854.42
  6. Step 6: Final answer
    x = 3,360.26

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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.