Home / 3,102.89-4,282.18-1,777.03

Finding the Fourth Proportional to 3,102.89, 4,282.18 and 1,777.03

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Solution

The fourth proportional to 3,102.89, 4,282.18 and 1,777.03 is: 2,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.89 : 4,282.18 = 1,777.03 : x
  2. Step 2: Convert to fraction form
    3,102.89/4,282.18 = 1,777.03/x
  3. Step 3: Cross multiply
    3,102.89x = 4,282.18 × 1,777.03
  4. Step 4: Simplify right side
    3,102.89x = 7,609,547.18
  5. Step 5: Solve for x
    x = 7,609,547.18/3,102.89
  6. Step 6: Final answer
    x = 2,452.41

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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.