Home / 4,287.04-5,915.28-2,423.68

Finding the Fourth Proportional to 4,287.04, 5,915.28 and 2,423.68

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Solution

The fourth proportional to 4,287.04, 5,915.28 and 2,423.68 is: 3,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.04 : 5,915.28 = 2,423.68 : x
  2. Step 2: Convert to fraction form
    4,287.04/5,915.28 = 2,423.68/x
  3. Step 3: Cross multiply
    4,287.04x = 5,915.28 × 2,423.68
  4. Step 4: Simplify right side
    4,287.04x = 14,336,745.83
  5. Step 5: Solve for x
    x = 14,336,745.83/4,287.04
  6. Step 6: Final answer
    x = 3,344.21

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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.