Home / 4,254.20-5,870.04-2,391.20

Finding the Fourth Proportional to 4,254.20, 5,870.04 and 2,391.20

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Solution

The fourth proportional to 4,254.20, 5,870.04 and 2,391.20 is: 3,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.20 : 5,870.04 = 2,391.20 : x
  2. Step 2: Convert to fraction form
    4,254.20/5,870.04 = 2,391.20/x
  3. Step 3: Cross multiply
    4,254.20x = 5,870.04 × 2,391.20
  4. Step 4: Simplify right side
    4,254.20x = 14,036,439.65
  5. Step 5: Solve for x
    x = 14,036,439.65/4,254.20
  6. Step 6: Final answer
    x = 3,299.43

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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.