Home / 3,638.52-5,014.11-2,588.76

Finding the Fourth Proportional to 3,638.52, 5,014.11 and 2,588.76

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Solution

The fourth proportional to 3,638.52, 5,014.11 and 2,588.76 is: 3,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.52 : 5,014.11 = 2,588.76 : x
  2. Step 2: Convert to fraction form
    3,638.52/5,014.11 = 2,588.76/x
  3. Step 3: Cross multiply
    3,638.52x = 5,014.11 × 2,588.76
  4. Step 4: Simplify right side
    3,638.52x = 12,980,327.40
  5. Step 5: Solve for x
    x = 12,980,327.40/3,638.52
  6. Step 6: Final answer
    x = 3,567.47

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1.5x scale

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.