Home / 3,677.40-5,068.98-2,890.08

Finding the Fourth Proportional to 3,677.40, 5,068.98 and 2,890.08

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Solution

The fourth proportional to 3,677.40, 5,068.98 and 2,890.08 is: 3,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.40 : 5,068.98 = 2,890.08 : x
  2. Step 2: Convert to fraction form
    3,677.40/5,068.98 = 2,890.08/x
  3. Step 3: Cross multiply
    3,677.40x = 5,068.98 × 2,890.08
  4. Step 4: Simplify right side
    3,677.40x = 14,649,757.72
  5. Step 5: Solve for x
    x = 14,649,757.72/3,677.40
  6. Step 6: Final answer
    x = 3,983.73

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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.