Home / 2,896.71-4,345.87-1,140.63

Finding the Fourth Proportional to 2,896.71, 4,345.87 and 1,140.63

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Solution

The fourth proportional to 2,896.71, 4,345.87 and 1,140.63 is: 1,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.71 : 4,345.87 = 1,140.63 : x
  2. Step 2: Convert to fraction form
    2,896.71/4,345.87 = 1,140.63/x
  3. Step 3: Cross multiply
    2,896.71x = 4,345.87 × 1,140.63
  4. Step 4: Simplify right side
    2,896.71x = 4,957,010.55
  5. Step 5: Solve for x
    x = 4,957,010.55/2,896.71
  6. Step 6: Final answer
    x = 1,711.26

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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.