Home / 2,888.20-4,324.92-1,423.72

Finding the Fourth Proportional to 2,888.20, 4,324.92 and 1,423.72

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Solution

The fourth proportional to 2,888.20, 4,324.92 and 1,423.72 is: 2,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.20 : 4,324.92 = 1,423.72 : x
  2. Step 2: Convert to fraction form
    2,888.20/4,324.92 = 1,423.72/x
  3. Step 3: Cross multiply
    2,888.20x = 4,324.92 × 1,423.72
  4. Step 4: Simplify right side
    2,888.20x = 6,157,475.10
  5. Step 5: Solve for x
    x = 6,157,475.10/2,888.20
  6. Step 6: Final answer
    x = 2,131.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.