Home / 2,914.55-4,025.92-2,159.86

Finding the Fourth Proportional to 2,914.55, 4,025.92 and 2,159.86

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Solution

The fourth proportional to 2,914.55, 4,025.92 and 2,159.86 is: 2,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.55 : 4,025.92 = 2,159.86 : x
  2. Step 2: Convert to fraction form
    2,914.55/4,025.92 = 2,159.86/x
  3. Step 3: Cross multiply
    2,914.55x = 4,025.92 × 2,159.86
  4. Step 4: Simplify right side
    2,914.55x = 8,695,423.57
  5. Step 5: Solve for x
    x = 8,695,423.57/2,914.55
  6. Step 6: Final answer
    x = 2,983.46

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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.