Home / 2,318.96-3,200.49-1,479.40

Finding the Fourth Proportional to 2,318.96, 3,200.49 and 1,479.40

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Solution

The fourth proportional to 2,318.96, 3,200.49 and 1,479.40 is: 2,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.96 : 3,200.49 = 1,479.40 : x
  2. Step 2: Convert to fraction form
    2,318.96/3,200.49 = 1,479.40/x
  3. Step 3: Cross multiply
    2,318.96x = 3,200.49 × 1,479.40
  4. Step 4: Simplify right side
    2,318.96x = 4,734,804.91
  5. Step 5: Solve for x
    x = 4,734,804.91/2,318.96
  6. Step 6: Final answer
    x = 2,041.78

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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.