Home / 2,904.65-4,356.20-1,260.81

Finding the Fourth Proportional to 2,904.65, 4,356.20 and 1,260.81

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Solution

The fourth proportional to 2,904.65, 4,356.20 and 1,260.81 is: 1,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.65 : 4,356.20 = 1,260.81 : x
  2. Step 2: Convert to fraction form
    2,904.65/4,356.20 = 1,260.81/x
  3. Step 3: Cross multiply
    2,904.65x = 4,356.20 × 1,260.81
  4. Step 4: Simplify right side
    2,904.65x = 5,492,336.58
  5. Step 5: Solve for x
    x = 5,492,336.58/2,904.65
  6. Step 6: Final answer
    x = 1,890.88

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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.