Home / 2,029.18-2,800.11-1,243.12

Finding the Fourth Proportional to 2,029.18, 2,800.11 and 1,243.12

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Solution

The fourth proportional to 2,029.18, 2,800.11 and 1,243.12 is: 1,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.18 : 2,800.11 = 1,243.12 : x
  2. Step 2: Convert to fraction form
    2,029.18/2,800.11 = 1,243.12/x
  3. Step 3: Cross multiply
    2,029.18x = 2,800.11 × 1,243.12
  4. Step 4: Simplify right side
    2,029.18x = 3,480,872.74
  5. Step 5: Solve for x
    x = 3,480,872.74/2,029.18
  6. Step 6: Final answer
    x = 1,715.41

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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.