Home / 3,124.65-4,306.70-2,859.82

Finding the Fourth Proportional to 3,124.65, 4,306.70 and 2,859.82

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Solution

The fourth proportional to 3,124.65, 4,306.70 and 2,859.82 is: 3,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.65 : 4,306.70 = 2,859.82 : x
  2. Step 2: Convert to fraction form
    3,124.65/4,306.70 = 2,859.82/x
  3. Step 3: Cross multiply
    3,124.65x = 4,306.70 × 2,859.82
  4. Step 4: Simplify right side
    3,124.65x = 12,316,372.49
  5. Step 5: Solve for x
    x = 12,316,372.49/3,124.65
  6. Step 6: Final answer
    x = 3,941.68

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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.