Home / 4,286.45-5,915.21-2,397.98

Finding the Fourth Proportional to 4,286.45, 5,915.21 and 2,397.98

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Solution

The fourth proportional to 4,286.45, 5,915.21 and 2,397.98 is: 3,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.45 : 5,915.21 = 2,397.98 : x
  2. Step 2: Convert to fraction form
    4,286.45/5,915.21 = 2,397.98/x
  3. Step 3: Cross multiply
    4,286.45x = 5,915.21 × 2,397.98
  4. Step 4: Simplify right side
    4,286.45x = 14,184,513.71
  5. Step 5: Solve for x
    x = 14,184,513.71/4,286.45
  6. Step 6: Final answer
    x = 3,309.16

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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.