Home / 2,390.04-3,581.98-1,928.07

Finding the Fourth Proportional to 2,390.04, 3,581.98 and 1,928.07

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Solution

The fourth proportional to 2,390.04, 3,581.98 and 1,928.07 is: 2,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.04 : 3,581.98 = 1,928.07 : x
  2. Step 2: Convert to fraction form
    2,390.04/3,581.98 = 1,928.07/x
  3. Step 3: Cross multiply
    2,390.04x = 3,581.98 × 1,928.07
  4. Step 4: Simplify right side
    2,390.04x = 6,906,308.18
  5. Step 5: Solve for x
    x = 6,906,308.18/2,390.04
  6. Step 6: Final answer
    x = 2,889.62

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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.