Home / 2,756.93-4,129.45-1,293.89

Finding the Fourth Proportional to 2,756.93, 4,129.45 and 1,293.89

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Solution

The fourth proportional to 2,756.93, 4,129.45 and 1,293.89 is: 1,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.93 : 4,129.45 = 1,293.89 : x
  2. Step 2: Convert to fraction form
    2,756.93/4,129.45 = 1,293.89/x
  3. Step 3: Cross multiply
    2,756.93x = 4,129.45 × 1,293.89
  4. Step 4: Simplify right side
    2,756.93x = 5,343,030.18
  5. Step 5: Solve for x
    x = 5,343,030.18/2,756.93
  6. Step 6: Final answer
    x = 1,938.04

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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.