Home / 2,886.69-4,332.08-1,328.45

Finding the Fourth Proportional to 2,886.69, 4,332.08 and 1,328.45

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Solution

The fourth proportional to 2,886.69, 4,332.08 and 1,328.45 is: 1,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.69 : 4,332.08 = 1,328.45 : x
  2. Step 2: Convert to fraction form
    2,886.69/4,332.08 = 1,328.45/x
  3. Step 3: Cross multiply
    2,886.69x = 4,332.08 × 1,328.45
  4. Step 4: Simplify right side
    2,886.69x = 5,754,957.70
  5. Step 5: Solve for x
    x = 5,754,957.70/2,886.69
  6. Step 6: Final answer
    x = 1,993.62

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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.