Home / 3,085.93-4,257.55-1,758.70

Finding the Fourth Proportional to 3,085.93, 4,257.55 and 1,758.70

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Solution

The fourth proportional to 3,085.93, 4,257.55 and 1,758.70 is: 2,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.93 : 4,257.55 = 1,758.70 : x
  2. Step 2: Convert to fraction form
    3,085.93/4,257.55 = 1,758.70/x
  3. Step 3: Cross multiply
    3,085.93x = 4,257.55 × 1,758.70
  4. Step 4: Simplify right side
    3,085.93x = 7,487,753.19
  5. Step 5: Solve for x
    x = 7,487,753.19/3,085.93
  6. Step 6: Final answer
    x = 2,426.42

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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.