Home / 2,124.11-2,934.07-1,771.18

Finding the Fourth Proportional to 2,124.11, 2,934.07 and 1,771.18

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Solution

The fourth proportional to 2,124.11, 2,934.07 and 1,771.18 is: 2,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.11 : 2,934.07 = 1,771.18 : x
  2. Step 2: Convert to fraction form
    2,124.11/2,934.07 = 1,771.18/x
  3. Step 3: Cross multiply
    2,124.11x = 2,934.07 × 1,771.18
  4. Step 4: Simplify right side
    2,124.11x = 5,196,780.81
  5. Step 5: Solve for x
    x = 5,196,780.81/2,124.11
  6. Step 6: Final answer
    x = 2,446.57

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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.