Home / 3,426.07-5,137.51-1,782.18

Finding the Fourth Proportional to 3,426.07, 5,137.51 and 1,782.18

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Solution

The fourth proportional to 3,426.07, 5,137.51 and 1,782.18 is: 2,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.07 : 5,137.51 = 1,782.18 : x
  2. Step 2: Convert to fraction form
    3,426.07/5,137.51 = 1,782.18/x
  3. Step 3: Cross multiply
    3,426.07x = 5,137.51 × 1,782.18
  4. Step 4: Simplify right side
    3,426.07x = 9,155,959.53
  5. Step 5: Solve for x
    x = 9,155,959.53/3,426.07
  6. Step 6: Final answer
    x = 2,672.44

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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.