Home / 2,887.06-4,326.90-1,655.14

Finding the Fourth Proportional to 2,887.06, 4,326.90 and 1,655.14

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Solution

The fourth proportional to 2,887.06, 4,326.90 and 1,655.14 is: 2,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.06 : 4,326.90 = 1,655.14 : x
  2. Step 2: Convert to fraction form
    2,887.06/4,326.90 = 1,655.14/x
  3. Step 3: Cross multiply
    2,887.06x = 4,326.90 × 1,655.14
  4. Step 4: Simplify right side
    2,887.06x = 7,161,625.27
  5. Step 5: Solve for x
    x = 7,161,625.27/2,887.06
  6. Step 6: Final answer
    x = 2,480.59

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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.