Home / 3,381.02-5,066.66-1,430.54

Finding the Fourth Proportional to 3,381.02, 5,066.66 and 1,430.54

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Solution

The fourth proportional to 3,381.02, 5,066.66 and 1,430.54 is: 2,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.02 : 5,066.66 = 1,430.54 : x
  2. Step 2: Convert to fraction form
    3,381.02/5,066.66 = 1,430.54/x
  3. Step 3: Cross multiply
    3,381.02x = 5,066.66 × 1,430.54
  4. Step 4: Simplify right side
    3,381.02x = 7,248,059.80
  5. Step 5: Solve for x
    x = 7,248,059.80/3,381.02
  6. Step 6: Final answer
    x = 2,143.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.