Home / 3,531.52-4,871.36-2,784.16

Finding the Fourth Proportional to 3,531.52, 4,871.36 and 2,784.16

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Solution

The fourth proportional to 3,531.52, 4,871.36 and 2,784.16 is: 3,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.52 : 4,871.36 = 2,784.16 : x
  2. Step 2: Convert to fraction form
    3,531.52/4,871.36 = 2,784.16/x
  3. Step 3: Cross multiply
    3,531.52x = 4,871.36 × 2,784.16
  4. Step 4: Simplify right side
    3,531.52x = 13,562,645.66
  5. Step 5: Solve for x
    x = 13,562,645.66/3,531.52
  6. Step 6: Final answer
    x = 3,840.46

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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.