Home / 2,931.17-4,044.94-1,604.85

Finding the Fourth Proportional to 2,931.17, 4,044.94 and 1,604.85

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Solution

The fourth proportional to 2,931.17, 4,044.94 and 1,604.85 is: 2,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.17 : 4,044.94 = 1,604.85 : x
  2. Step 2: Convert to fraction form
    2,931.17/4,044.94 = 1,604.85/x
  3. Step 3: Cross multiply
    2,931.17x = 4,044.94 × 1,604.85
  4. Step 4: Simplify right side
    2,931.17x = 6,491,502.78
  5. Step 5: Solve for x
    x = 6,491,502.78/2,931.17
  6. Step 6: Final answer
    x = 2,214.65

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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.