Home / 1,761.07-2,430.82-1,015.53

Finding the Fourth Proportional to 1,761.07, 2,430.82 and 1,015.53

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Solution

The fourth proportional to 1,761.07, 2,430.82 and 1,015.53 is: 1,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.07 : 2,430.82 = 1,015.53 : x
  2. Step 2: Convert to fraction form
    1,761.07/2,430.82 = 1,015.53/x
  3. Step 3: Cross multiply
    1,761.07x = 2,430.82 × 1,015.53
  4. Step 4: Simplify right side
    1,761.07x = 2,468,564.56
  5. Step 5: Solve for x
    x = 2,468,564.56/1,761.07
  6. Step 6: Final answer
    x = 1,401.74

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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.