Home / 2,126.30-3,176.87-2,053.65

Finding the Fourth Proportional to 2,126.30, 3,176.87 and 2,053.65

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Solution

The fourth proportional to 2,126.30, 3,176.87 and 2,053.65 is: 3,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.30 : 3,176.87 = 2,053.65 : x
  2. Step 2: Convert to fraction form
    2,126.30/3,176.87 = 2,053.65/x
  3. Step 3: Cross multiply
    2,126.30x = 3,176.87 × 2,053.65
  4. Step 4: Simplify right side
    2,126.30x = 6,524,192.27
  5. Step 5: Solve for x
    x = 6,524,192.27/2,126.30
  6. Step 6: Final answer
    x = 3,068.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.