Home / 2,866.16-4,291.95-1,889.30

Finding the Fourth Proportional to 2,866.16, 4,291.95 and 1,889.30

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Solution

The fourth proportional to 2,866.16, 4,291.95 and 1,889.30 is: 2,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.16 : 4,291.95 = 1,889.30 : x
  2. Step 2: Convert to fraction form
    2,866.16/4,291.95 = 1,889.30/x
  3. Step 3: Cross multiply
    2,866.16x = 4,291.95 × 1,889.30
  4. Step 4: Simplify right side
    2,866.16x = 8,108,781.14
  5. Step 5: Solve for x
    x = 8,108,781.14/2,866.16
  6. Step 6: Final answer
    x = 2,829.14

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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.