Home / 2,887.06-4,335.45-2,864.38

Finding the Fourth Proportional to 2,887.06, 4,335.45 and 2,864.38

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Solution

The fourth proportional to 2,887.06, 4,335.45 and 2,864.38 is: 4,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.06 : 4,335.45 = 2,864.38 : x
  2. Step 2: Convert to fraction form
    2,887.06/4,335.45 = 2,864.38/x
  3. Step 3: Cross multiply
    2,887.06x = 4,335.45 × 2,864.38
  4. Step 4: Simplify right side
    2,887.06x = 12,418,376.27
  5. Step 5: Solve for x
    x = 12,418,376.27/2,887.06
  6. Step 6: Final answer
    x = 4,301.39

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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.