Home / 1,895.32-2,615.46-1,109.44

Finding the Fourth Proportional to 1,895.32, 2,615.46 and 1,109.44

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Solution

The fourth proportional to 1,895.32, 2,615.46 and 1,109.44 is: 1,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.32 : 2,615.46 = 1,109.44 : x
  2. Step 2: Convert to fraction form
    1,895.32/2,615.46 = 1,109.44/x
  3. Step 3: Cross multiply
    1,895.32x = 2,615.46 × 1,109.44
  4. Step 4: Simplify right side
    1,895.32x = 2,901,695.94
  5. Step 5: Solve for x
    x = 2,901,695.94/1,895.32
  6. Step 6: Final answer
    x = 1,530.98

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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.