Home / 1,835.19-2,532.40-1,089.02

Finding the Fourth Proportional to 1,835.19, 2,532.40 and 1,089.02

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Solution

The fourth proportional to 1,835.19, 2,532.40 and 1,089.02 is: 1,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.19 : 2,532.40 = 1,089.02 : x
  2. Step 2: Convert to fraction form
    1,835.19/2,532.40 = 1,089.02/x
  3. Step 3: Cross multiply
    1,835.19x = 2,532.40 × 1,089.02
  4. Step 4: Simplify right side
    1,835.19x = 2,757,828.80
  5. Step 5: Solve for x
    x = 2,757,828.80/1,835.19
  6. Step 6: Final answer
    x = 1,502.75

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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.