Home / 2,888.23-4,332.50-913.90

Finding the Fourth Proportional to 2,888.23, 4,332.50 and 913.90

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Solution

The fourth proportional to 2,888.23, 4,332.50 and 913.90 is: 1,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.23 : 4,332.50 = 913.90 : x
  2. Step 2: Convert to fraction form
    2,888.23/4,332.50 = 913.90/x
  3. Step 3: Cross multiply
    2,888.23x = 4,332.50 × 913.90
  4. Step 4: Simplify right side
    2,888.23x = 3,959,471.75
  5. Step 5: Solve for x
    x = 3,959,471.75/2,888.23
  6. Step 6: Final answer
    x = 1,370.90

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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.