Home / 2,924.80-4,387.20-2,560.30

Finding the Fourth Proportional to 2,924.80, 4,387.20 and 2,560.30

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Solution

The fourth proportional to 2,924.80, 4,387.20 and 2,560.30 is: 3,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.80 : 4,387.20 = 2,560.30 : x
  2. Step 2: Convert to fraction form
    2,924.80/4,387.20 = 2,560.30/x
  3. Step 3: Cross multiply
    2,924.80x = 4,387.20 × 2,560.30
  4. Step 4: Simplify right side
    2,924.80x = 11,232,548.16
  5. Step 5: Solve for x
    x = 11,232,548.16/2,924.80
  6. Step 6: Final answer
    x = 3,840.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.