Home / 2,717.30-4,080.90-1,623.80

Finding the Fourth Proportional to 2,717.30, 4,080.90 and 1,623.80

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Solution

The fourth proportional to 2,717.30, 4,080.90 and 1,623.80 is: 2,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.30 : 4,080.90 = 1,623.80 : x
  2. Step 2: Convert to fraction form
    2,717.30/4,080.90 = 1,623.80/x
  3. Step 3: Cross multiply
    2,717.30x = 4,080.90 × 1,623.80
  4. Step 4: Simplify right side
    2,717.30x = 6,626,565.42
  5. Step 5: Solve for x
    x = 6,626,565.42/2,717.30
  6. Step 6: Final answer
    x = 2,438.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.