Home / 1,925.05-2,656.56-1,040.85

Finding the Fourth Proportional to 1,925.05, 2,656.56 and 1,040.85

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Solution

The fourth proportional to 1,925.05, 2,656.56 and 1,040.85 is: 1,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.05 : 2,656.56 = 1,040.85 : x
  2. Step 2: Convert to fraction form
    1,925.05/2,656.56 = 1,040.85/x
  3. Step 3: Cross multiply
    1,925.05x = 2,656.56 × 1,040.85
  4. Step 4: Simplify right side
    1,925.05x = 2,765,079.99
  5. Step 5: Solve for x
    x = 2,765,079.99/1,925.05
  6. Step 6: Final answer
    x = 1,436.37

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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.