Home / 2,984.31-4,477.28-1,254.15

Finding the Fourth Proportional to 2,984.31, 4,477.28 and 1,254.15

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Solution

The fourth proportional to 2,984.31, 4,477.28 and 1,254.15 is: 1,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.31 : 4,477.28 = 1,254.15 : x
  2. Step 2: Convert to fraction form
    2,984.31/4,477.28 = 1,254.15/x
  3. Step 3: Cross multiply
    2,984.31x = 4,477.28 × 1,254.15
  4. Step 4: Simplify right side
    2,984.31x = 5,615,174.44
  5. Step 5: Solve for x
    x = 5,615,174.44/2,984.31
  6. Step 6: Final answer
    x = 1,881.57

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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.