Home / 1,703.85-2,351.52-1,040.56

Finding the Fourth Proportional to 1,703.85, 2,351.52 and 1,040.56

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Solution

The fourth proportional to 1,703.85, 2,351.52 and 1,040.56 is: 1,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.85 : 2,351.52 = 1,040.56 : x
  2. Step 2: Convert to fraction form
    1,703.85/2,351.52 = 1,040.56/x
  3. Step 3: Cross multiply
    1,703.85x = 2,351.52 × 1,040.56
  4. Step 4: Simplify right side
    1,703.85x = 2,446,885.89
  5. Step 5: Solve for x
    x = 2,446,885.89/1,703.85
  6. Step 6: Final answer
    x = 1,436.10

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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.