Home / 3,102.48-4,281.42-1,776.12

Finding the Fourth Proportional to 3,102.48, 4,281.42 and 1,776.12

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Solution

The fourth proportional to 3,102.48, 4,281.42 and 1,776.12 is: 2,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.48 : 4,281.42 = 1,776.12 : x
  2. Step 2: Convert to fraction form
    3,102.48/4,281.42 = 1,776.12/x
  3. Step 3: Cross multiply
    3,102.48x = 4,281.42 × 1,776.12
  4. Step 4: Simplify right side
    3,102.48x = 7,604,315.69
  5. Step 5: Solve for x
    x = 7,604,315.69/3,102.48
  6. Step 6: Final answer
    x = 2,451.04

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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.