Home / 1,813.30-2,502.40-1,016.60

Finding the Fourth Proportional to 1,813.30, 2,502.40 and 1,016.60

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Solution

The fourth proportional to 1,813.30, 2,502.40 and 1,016.60 is: 1,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.30 : 2,502.40 = 1,016.60 : x
  2. Step 2: Convert to fraction form
    1,813.30/2,502.40 = 1,016.60/x
  3. Step 3: Cross multiply
    1,813.30x = 2,502.40 × 1,016.60
  4. Step 4: Simplify right side
    1,813.30x = 2,543,939.84
  5. Step 5: Solve for x
    x = 2,543,939.84/1,813.30
  6. Step 6: Final answer
    x = 1,402.93

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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.