Home / 1,827.12-2,520.54-1,197.38

Finding the Fourth Proportional to 1,827.12, 2,520.54 and 1,197.38

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Solution

The fourth proportional to 1,827.12, 2,520.54 and 1,197.38 is: 1,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.12 : 2,520.54 = 1,197.38 : x
  2. Step 2: Convert to fraction form
    1,827.12/2,520.54 = 1,197.38/x
  3. Step 3: Cross multiply
    1,827.12x = 2,520.54 × 1,197.38
  4. Step 4: Simplify right side
    1,827.12x = 3,018,031.58
  5. Step 5: Solve for x
    x = 3,018,031.58/1,827.12
  6. Step 6: Final answer
    x = 1,651.80

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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.