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Finding the Fourth Proportional to 2,302.77, 3,452.25 and 840.99

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Solution

The fourth proportional to 2,302.77, 3,452.25 and 840.99 is: 1,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.77 : 3,452.25 = 840.99 : x
  2. Step 2: Convert to fraction form
    2,302.77/3,452.25 = 840.99/x
  3. Step 3: Cross multiply
    2,302.77x = 3,452.25 × 840.99
  4. Step 4: Simplify right side
    2,302.77x = 2,903,307.73
  5. Step 5: Solve for x
    x = 2,903,307.73/2,302.77
  6. Step 6: Final answer
    x = 1,260.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.