Home / 2,184.07-3,013.85-1,299.71

Finding the Fourth Proportional to 2,184.07, 3,013.85 and 1,299.71

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Solution

The fourth proportional to 2,184.07, 3,013.85 and 1,299.71 is: 1,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.07 : 3,013.85 = 1,299.71 : x
  2. Step 2: Convert to fraction form
    2,184.07/3,013.85 = 1,299.71/x
  3. Step 3: Cross multiply
    2,184.07x = 3,013.85 × 1,299.71
  4. Step 4: Simplify right side
    2,184.07x = 3,917,119.16
  5. Step 5: Solve for x
    x = 3,917,119.16/2,184.07
  6. Step 6: Final answer
    x = 1,793.50

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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.