Home / 1,835.64-2,532.36-1,089.18

Finding the Fourth Proportional to 1,835.64, 2,532.36 and 1,089.18

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Solution

The fourth proportional to 1,835.64, 2,532.36 and 1,089.18 is: 1,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.64 : 2,532.36 = 1,089.18 : x
  2. Step 2: Convert to fraction form
    1,835.64/2,532.36 = 1,089.18/x
  3. Step 3: Cross multiply
    1,835.64x = 2,532.36 × 1,089.18
  4. Step 4: Simplify right side
    1,835.64x = 2,758,195.86
  5. Step 5: Solve for x
    x = 2,758,195.86/1,835.64
  6. Step 6: Final answer
    x = 1,502.58

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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.