Home / 1,823.12-2,514.76-1,263.61

Finding the Fourth Proportional to 1,823.12, 2,514.76 and 1,263.61

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Solution

The fourth proportional to 1,823.12, 2,514.76 and 1,263.61 is: 1,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.12 : 2,514.76 = 1,263.61 : x
  2. Step 2: Convert to fraction form
    1,823.12/2,514.76 = 1,263.61/x
  3. Step 3: Cross multiply
    1,823.12x = 2,514.76 × 1,263.61
  4. Step 4: Simplify right side
    1,823.12x = 3,177,675.88
  5. Step 5: Solve for x
    x = 3,177,675.88/1,823.12
  6. Step 6: Final answer
    x = 1,742.99

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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.