Home / 2,666.46-4,005.50-2,578.98

Finding the Fourth Proportional to 2,666.46, 4,005.50 and 2,578.98

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Solution

The fourth proportional to 2,666.46, 4,005.50 and 2,578.98 is: 3,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.46 : 4,005.50 = 2,578.98 : x
  2. Step 2: Convert to fraction form
    2,666.46/4,005.50 = 2,578.98/x
  3. Step 3: Cross multiply
    2,666.46x = 4,005.50 × 2,578.98
  4. Step 4: Simplify right side
    2,666.46x = 10,330,091.50
  5. Step 5: Solve for x
    x = 10,330,091.50/2,666.46
  6. Step 6: Final answer
    x = 3,874.08

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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.