Home / 2,782.43-4,174.20-1,547.18

Finding the Fourth Proportional to 2,782.43, 4,174.20 and 1,547.18

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Solution

The fourth proportional to 2,782.43, 4,174.20 and 1,547.18 is: 2,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.43 : 4,174.20 = 1,547.18 : x
  2. Step 2: Convert to fraction form
    2,782.43/4,174.20 = 1,547.18/x
  3. Step 3: Cross multiply
    2,782.43x = 4,174.20 × 1,547.18
  4. Step 4: Simplify right side
    2,782.43x = 6,458,238.76
  5. Step 5: Solve for x
    x = 6,458,238.76/2,782.43
  6. Step 6: Final answer
    x = 2,321.08

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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.