Home / 3,561.48-5,340.32-1,782.26

Finding the Fourth Proportional to 3,561.48, 5,340.32 and 1,782.26

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Solution

The fourth proportional to 3,561.48, 5,340.32 and 1,782.26 is: 2,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.48 : 5,340.32 = 1,782.26 : x
  2. Step 2: Convert to fraction form
    3,561.48/5,340.32 = 1,782.26/x
  3. Step 3: Cross multiply
    3,561.48x = 5,340.32 × 1,782.26
  4. Step 4: Simplify right side
    3,561.48x = 9,517,803.11
  5. Step 5: Solve for x
    x = 9,517,803.11/3,561.48
  6. Step 6: Final answer
    x = 2,672.43

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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.