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Finding the Fourth Proportional to 2,558.24, 3,836.16 and 914.12

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Solution

The fourth proportional to 2,558.24, 3,836.16 and 914.12 is: 1,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.24 : 3,836.16 = 914.12 : x
  2. Step 2: Convert to fraction form
    2,558.24/3,836.16 = 914.12/x
  3. Step 3: Cross multiply
    2,558.24x = 3,836.16 × 914.12
  4. Step 4: Simplify right side
    2,558.24x = 3,506,710.58
  5. Step 5: Solve for x
    x = 3,506,710.58/2,558.24
  6. Step 6: Final answer
    x = 1,370.75

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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.