Home / 2,454.24-3,379.08-2,080.40

Finding the Fourth Proportional to 2,454.24, 3,379.08 and 2,080.40

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Solution

The fourth proportional to 2,454.24, 3,379.08 and 2,080.40 is: 2,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.24 : 3,379.08 = 2,080.40 : x
  2. Step 2: Convert to fraction form
    2,454.24/3,379.08 = 2,080.40/x
  3. Step 3: Cross multiply
    2,454.24x = 3,379.08 × 2,080.40
  4. Step 4: Simplify right side
    2,454.24x = 7,029,838.03
  5. Step 5: Solve for x
    x = 7,029,838.03/2,454.24
  6. Step 6: Final answer
    x = 2,864.36

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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.