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Finding the Fourth Proportional to 2,904.87, 4,357.46 and 824.71

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Solution

The fourth proportional to 2,904.87, 4,357.46 and 824.71 is: 1,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.87 : 4,357.46 = 824.71 : x
  2. Step 2: Convert to fraction form
    2,904.87/4,357.46 = 824.71/x
  3. Step 3: Cross multiply
    2,904.87x = 4,357.46 × 824.71
  4. Step 4: Simplify right side
    2,904.87x = 3,593,619.05
  5. Step 5: Solve for x
    x = 3,593,619.05/2,904.87
  6. Step 6: Final answer
    x = 1,237.10

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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.