Home / 1,302.23-1,794.48-928.55

Finding the Fourth Proportional to 1,302.23, 1,794.48 and 928.55

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Solution

The fourth proportional to 1,302.23, 1,794.48 and 928.55 is: 1,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.23 : 1,794.48 = 928.55 : x
  2. Step 2: Convert to fraction form
    1,302.23/1,794.48 = 928.55/x
  3. Step 3: Cross multiply
    1,302.23x = 1,794.48 × 928.55
  4. Step 4: Simplify right side
    1,302.23x = 1,666,264.40
  5. Step 5: Solve for x
    x = 1,666,264.40/1,302.23
  6. Step 6: Final answer
    x = 1,279.55

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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.