Home / 2,740.16-3,781.23-1,730.69

Finding the Fourth Proportional to 2,740.16, 3,781.23 and 1,730.69

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Solution

The fourth proportional to 2,740.16, 3,781.23 and 1,730.69 is: 2,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.16 : 3,781.23 = 1,730.69 : x
  2. Step 2: Convert to fraction form
    2,740.16/3,781.23 = 1,730.69/x
  3. Step 3: Cross multiply
    2,740.16x = 3,781.23 × 1,730.69
  4. Step 4: Simplify right side
    2,740.16x = 6,544,136.95
  5. Step 5: Solve for x
    x = 6,544,136.95/2,740.16
  6. Step 6: Final answer
    x = 2,388.23

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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.