Home / 1,835.86-2,532.66-1,089.85

Finding the Fourth Proportional to 1,835.86, 2,532.66 and 1,089.85

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Solution

The fourth proportional to 1,835.86, 2,532.66 and 1,089.85 is: 1,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.86 : 2,532.66 = 1,089.85 : x
  2. Step 2: Convert to fraction form
    1,835.86/2,532.66 = 1,089.85/x
  3. Step 3: Cross multiply
    1,835.86x = 2,532.66 × 1,089.85
  4. Step 4: Simplify right side
    1,835.86x = 2,760,219.50
  5. Step 5: Solve for x
    x = 2,760,219.50/1,835.86
  6. Step 6: Final answer
    x = 1,503.50

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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.