Home / 1,895.60-2,615.54-1,109.49

Finding the Fourth Proportional to 1,895.60, 2,615.54 and 1,109.49

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Solution

The fourth proportional to 1,895.60, 2,615.54 and 1,109.49 is: 1,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.60 : 2,615.54 = 1,109.49 : x
  2. Step 2: Convert to fraction form
    1,895.60/2,615.54 = 1,109.49/x
  3. Step 3: Cross multiply
    1,895.60x = 2,615.54 × 1,109.49
  4. Step 4: Simplify right side
    1,895.60x = 2,901,909.93
  5. Step 5: Solve for x
    x = 2,901,909.93/1,895.60
  6. Step 6: Final answer
    x = 1,530.87

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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.