Home / 1,835.77-2,531.53-1,206.09

Finding the Fourth Proportional to 1,835.77, 2,531.53 and 1,206.09

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Solution

The fourth proportional to 1,835.77, 2,531.53 and 1,206.09 is: 1,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.77 : 2,531.53 = 1,206.09 : x
  2. Step 2: Convert to fraction form
    1,835.77/2,531.53 = 1,206.09/x
  3. Step 3: Cross multiply
    1,835.77x = 2,531.53 × 1,206.09
  4. Step 4: Simplify right side
    1,835.77x = 3,053,253.02
  5. Step 5: Solve for x
    x = 3,053,253.02/1,835.77
  6. Step 6: Final answer
    x = 1,663.20

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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.