Home / 2,835.77-3,915.18-1,827.92

Finding the Fourth Proportional to 2,835.77, 3,915.18 and 1,827.92

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Solution

The fourth proportional to 2,835.77, 3,915.18 and 1,827.92 is: 2,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.77 : 3,915.18 = 1,827.92 : x
  2. Step 2: Convert to fraction form
    2,835.77/3,915.18 = 1,827.92/x
  3. Step 3: Cross multiply
    2,835.77x = 3,915.18 × 1,827.92
  4. Step 4: Simplify right side
    2,835.77x = 7,156,645.61
  5. Step 5: Solve for x
    x = 7,156,645.61/2,835.77
  6. Step 6: Final answer
    x = 2,523.71

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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.