Home / 1,849.15-2,758.13-1,572.13

Finding the Fourth Proportional to 1,849.15, 2,758.13 and 1,572.13

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Solution

The fourth proportional to 1,849.15, 2,758.13 and 1,572.13 is: 2,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.15 : 2,758.13 = 1,572.13 : x
  2. Step 2: Convert to fraction form
    1,849.15/2,758.13 = 1,572.13/x
  3. Step 3: Cross multiply
    1,849.15x = 2,758.13 × 1,572.13
  4. Step 4: Simplify right side
    1,849.15x = 4,336,138.92
  5. Step 5: Solve for x
    x = 4,336,138.92/1,849.15
  6. Step 6: Final answer
    x = 2,344.94

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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.