Home / 2,065.08-2,849.49-1,319.70

Finding the Fourth Proportional to 2,065.08, 2,849.49 and 1,319.70

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Solution

The fourth proportional to 2,065.08, 2,849.49 and 1,319.70 is: 1,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.08 : 2,849.49 = 1,319.70 : x
  2. Step 2: Convert to fraction form
    2,065.08/2,849.49 = 1,319.70/x
  3. Step 3: Cross multiply
    2,065.08x = 2,849.49 × 1,319.70
  4. Step 4: Simplify right side
    2,065.08x = 3,760,471.95
  5. Step 5: Solve for x
    x = 3,760,471.95/2,065.08
  6. Step 6: Final answer
    x = 1,820.98

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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.