Home / 2,387.30-3,292.19-1,827.79

Finding the Fourth Proportional to 2,387.30, 3,292.19 and 1,827.79

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Solution

The fourth proportional to 2,387.30, 3,292.19 and 1,827.79 is: 2,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.30 : 3,292.19 = 1,827.79 : x
  2. Step 2: Convert to fraction form
    2,387.30/3,292.19 = 1,827.79/x
  3. Step 3: Cross multiply
    2,387.30x = 3,292.19 × 1,827.79
  4. Step 4: Simplify right side
    2,387.30x = 6,017,415.50
  5. Step 5: Solve for x
    x = 6,017,415.50/2,387.30
  6. Step 6: Final answer
    x = 2,520.60

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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.