Home / 2,904.20-4,355.04-1,054.70

Finding the Fourth Proportional to 2,904.20, 4,355.04 and 1,054.70

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Solution

The fourth proportional to 2,904.20, 4,355.04 and 1,054.70 is: 1,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.20 : 4,355.04 = 1,054.70 : x
  2. Step 2: Convert to fraction form
    2,904.20/4,355.04 = 1,054.70/x
  3. Step 3: Cross multiply
    2,904.20x = 4,355.04 × 1,054.70
  4. Step 4: Simplify right side
    2,904.20x = 4,593,260.69
  5. Step 5: Solve for x
    x = 4,593,260.69/2,904.20
  6. Step 6: Final answer
    x = 1,581.59

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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.