Home / 2,832.64-4,248.32-1,077.28

Finding the Fourth Proportional to 2,832.64, 4,248.32 and 1,077.28

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Solution

The fourth proportional to 2,832.64, 4,248.32 and 1,077.28 is: 1,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.64 : 4,248.32 = 1,077.28 : x
  2. Step 2: Convert to fraction form
    2,832.64/4,248.32 = 1,077.28/x
  3. Step 3: Cross multiply
    2,832.64x = 4,248.32 × 1,077.28
  4. Step 4: Simplify right side
    2,832.64x = 4,576,630.17
  5. Step 5: Solve for x
    x = 4,576,630.17/2,832.64
  6. Step 6: Final answer
    x = 1,615.68

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1.5x scale

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.