Home / 1,302.91-1,945.85-1,043.30

Finding the Fourth Proportional to 1,302.91, 1,945.85 and 1,043.30

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Solution

The fourth proportional to 1,302.91, 1,945.85 and 1,043.30 is: 1,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.91 : 1,945.85 = 1,043.30 : x
  2. Step 2: Convert to fraction form
    1,302.91/1,945.85 = 1,043.30/x
  3. Step 3: Cross multiply
    1,302.91x = 1,945.85 × 1,043.30
  4. Step 4: Simplify right side
    1,302.91x = 2,030,104.95
  5. Step 5: Solve for x
    x = 2,030,104.95/1,302.91
  6. Step 6: Final answer
    x = 1,558.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.