Home / 1,835.56-2,533.28-1,089.70

Finding the Fourth Proportional to 1,835.56, 2,533.28 and 1,089.70

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Solution

The fourth proportional to 1,835.56, 2,533.28 and 1,089.70 is: 1,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.56 : 2,533.28 = 1,089.70 : x
  2. Step 2: Convert to fraction form
    1,835.56/2,533.28 = 1,089.70/x
  3. Step 3: Cross multiply
    1,835.56x = 2,533.28 × 1,089.70
  4. Step 4: Simplify right side
    1,835.56x = 2,760,517.68
  5. Step 5: Solve for x
    x = 2,760,517.68/1,835.56
  6. Step 6: Final answer
    x = 1,503.91

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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.