Home / 3,102.65-4,281.53-1,758.22

Finding the Fourth Proportional to 3,102.65, 4,281.53 and 1,758.22

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Solution

The fourth proportional to 3,102.65, 4,281.53 and 1,758.22 is: 2,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.65 : 4,281.53 = 1,758.22 : x
  2. Step 2: Convert to fraction form
    3,102.65/4,281.53 = 1,758.22/x
  3. Step 3: Cross multiply
    3,102.65x = 4,281.53 × 1,758.22
  4. Step 4: Simplify right side
    3,102.65x = 7,527,876.27
  5. Step 5: Solve for x
    x = 7,527,876.27/3,102.65
  6. Step 6: Final answer
    x = 2,426.27

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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.