Home / 2,655.34-3,981.63-1,193.24

Finding the Fourth Proportional to 2,655.34, 3,981.63 and 1,193.24

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Solution

The fourth proportional to 2,655.34, 3,981.63 and 1,193.24 is: 1,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.34 : 3,981.63 = 1,193.24 : x
  2. Step 2: Convert to fraction form
    2,655.34/3,981.63 = 1,193.24/x
  3. Step 3: Cross multiply
    2,655.34x = 3,981.63 × 1,193.24
  4. Step 4: Simplify right side
    2,655.34x = 4,751,040.18
  5. Step 5: Solve for x
    x = 4,751,040.18/2,655.34
  6. Step 6: Final answer
    x = 1,789.24

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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.