Home / 2,045.10-2,823.11-1,382.85

Finding the Fourth Proportional to 2,045.10, 2,823.11 and 1,382.85

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Solution

The fourth proportional to 2,045.10, 2,823.11 and 1,382.85 is: 1,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.10 : 2,823.11 = 1,382.85 : x
  2. Step 2: Convert to fraction form
    2,045.10/2,823.11 = 1,382.85/x
  3. Step 3: Cross multiply
    2,045.10x = 2,823.11 × 1,382.85
  4. Step 4: Simplify right side
    2,045.10x = 3,903,937.66
  5. Step 5: Solve for x
    x = 3,903,937.66/2,045.10
  6. Step 6: Final answer
    x = 1,908.92

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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.