Home / 2,179.04-3,007.49-1,470.87

Finding the Fourth Proportional to 2,179.04, 3,007.49 and 1,470.87

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Solution

The fourth proportional to 2,179.04, 3,007.49 and 1,470.87 is: 2,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.04 : 3,007.49 = 1,470.87 : x
  2. Step 2: Convert to fraction form
    2,179.04/3,007.49 = 1,470.87/x
  3. Step 3: Cross multiply
    2,179.04x = 3,007.49 × 1,470.87
  4. Step 4: Simplify right side
    2,179.04x = 4,423,619.46
  5. Step 5: Solve for x
    x = 4,423,619.46/2,179.04
  6. Step 6: Final answer
    x = 2,030.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.