Home / 1,895.40-2,615.22-1,177.74

Finding the Fourth Proportional to 1,895.40, 2,615.22 and 1,177.74

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Solution

The fourth proportional to 1,895.40, 2,615.22 and 1,177.74 is: 1,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.40 : 2,615.22 = 1,177.74 : x
  2. Step 2: Convert to fraction form
    1,895.40/2,615.22 = 1,177.74/x
  3. Step 3: Cross multiply
    1,895.40x = 2,615.22 × 1,177.74
  4. Step 4: Simplify right side
    1,895.40x = 3,080,049.20
  5. Step 5: Solve for x
    x = 3,080,049.20/1,895.40
  6. Step 6: Final answer
    x = 1,625.01

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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.