Home / 2,775.64-4,170.27-2,666.29

Finding the Fourth Proportional to 2,775.64, 4,170.27 and 2,666.29

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Solution

The fourth proportional to 2,775.64, 4,170.27 and 2,666.29 is: 4,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.64 : 4,170.27 = 2,666.29 : x
  2. Step 2: Convert to fraction form
    2,775.64/4,170.27 = 2,666.29/x
  3. Step 3: Cross multiply
    2,775.64x = 4,170.27 × 2,666.29
  4. Step 4: Simplify right side
    2,775.64x = 11,119,149.20
  5. Step 5: Solve for x
    x = 11,119,149.20/2,775.64
  6. Step 6: Final answer
    x = 4,005.98

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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.