Home / 2,869.92-3,960.23-1,675.17

Finding the Fourth Proportional to 2,869.92, 3,960.23 and 1,675.17

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Solution

The fourth proportional to 2,869.92, 3,960.23 and 1,675.17 is: 2,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.92 : 3,960.23 = 1,675.17 : x
  2. Step 2: Convert to fraction form
    2,869.92/3,960.23 = 1,675.17/x
  3. Step 3: Cross multiply
    2,869.92x = 3,960.23 × 1,675.17
  4. Step 4: Simplify right side
    2,869.92x = 6,634,050.11
  5. Step 5: Solve for x
    x = 6,634,050.11/2,869.92
  6. Step 6: Final answer
    x = 2,311.58

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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.