Home / 3,827.02-5,281.56-2,148.59

Finding the Fourth Proportional to 3,827.02, 5,281.56 and 2,148.59

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Solution

The fourth proportional to 3,827.02, 5,281.56 and 2,148.59 is: 2,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.02 : 5,281.56 = 2,148.59 : x
  2. Step 2: Convert to fraction form
    3,827.02/5,281.56 = 2,148.59/x
  3. Step 3: Cross multiply
    3,827.02x = 5,281.56 × 2,148.59
  4. Step 4: Simplify right side
    3,827.02x = 11,347,907.00
  5. Step 5: Solve for x
    x = 11,347,907.00/3,827.02
  6. Step 6: Final answer
    x = 2,965.21

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1.5x scale

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.