Home / 2,117.46-3,176.28-1,295.22

Finding the Fourth Proportional to 2,117.46, 3,176.28 and 1,295.22

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Solution

The fourth proportional to 2,117.46, 3,176.28 and 1,295.22 is: 1,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.46 : 3,176.28 = 1,295.22 : x
  2. Step 2: Convert to fraction form
    2,117.46/3,176.28 = 1,295.22/x
  3. Step 3: Cross multiply
    2,117.46x = 3,176.28 × 1,295.22
  4. Step 4: Simplify right side
    2,117.46x = 4,113,981.38
  5. Step 5: Solve for x
    x = 4,113,981.38/2,117.46
  6. Step 6: Final answer
    x = 1,942.89

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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.