Home / 2,675.45-4,031.43-2,199.17

Finding the Fourth Proportional to 2,675.45, 4,031.43 and 2,199.17

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Solution

The fourth proportional to 2,675.45, 4,031.43 and 2,199.17 is: 3,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.45 : 4,031.43 = 2,199.17 : x
  2. Step 2: Convert to fraction form
    2,675.45/4,031.43 = 2,199.17/x
  3. Step 3: Cross multiply
    2,675.45x = 4,031.43 × 2,199.17
  4. Step 4: Simplify right side
    2,675.45x = 8,865,779.76
  5. Step 5: Solve for x
    x = 8,865,779.76/2,675.45
  6. Step 6: Final answer
    x = 3,313.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.