Home / 2,487.22-3,430.10-1,925.90

Finding the Fourth Proportional to 2,487.22, 3,430.10 and 1,925.90

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Solution

The fourth proportional to 2,487.22, 3,430.10 and 1,925.90 is: 2,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.22 : 3,430.10 = 1,925.90 : x
  2. Step 2: Convert to fraction form
    2,487.22/3,430.10 = 1,925.90/x
  3. Step 3: Cross multiply
    2,487.22x = 3,430.10 × 1,925.90
  4. Step 4: Simplify right side
    2,487.22x = 6,606,029.59
  5. Step 5: Solve for x
    x = 6,606,029.59/2,487.22
  6. Step 6: Final answer
    x = 2,655.99

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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.