Home / 1,737.03-2,603.55-1,215.45

Finding the Fourth Proportional to 1,737.03, 2,603.55 and 1,215.45

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Solution

The fourth proportional to 1,737.03, 2,603.55 and 1,215.45 is: 1,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.03 : 2,603.55 = 1,215.45 : x
  2. Step 2: Convert to fraction form
    1,737.03/2,603.55 = 1,215.45/x
  3. Step 3: Cross multiply
    1,737.03x = 2,603.55 × 1,215.45
  4. Step 4: Simplify right side
    1,737.03x = 3,164,484.85
  5. Step 5: Solve for x
    x = 3,164,484.85/1,737.03
  6. Step 6: Final answer
    x = 1,821.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.