Home / 2,961.71-4,437.66-2,656.47

Finding the Fourth Proportional to 2,961.71, 4,437.66 and 2,656.47

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Solution

The fourth proportional to 2,961.71, 4,437.66 and 2,656.47 is: 3,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.71 : 4,437.66 = 2,656.47 : x
  2. Step 2: Convert to fraction form
    2,961.71/4,437.66 = 2,656.47/x
  3. Step 3: Cross multiply
    2,961.71x = 4,437.66 × 2,656.47
  4. Step 4: Simplify right side
    2,961.71x = 11,788,510.66
  5. Step 5: Solve for x
    x = 11,788,510.66/2,961.71
  6. Step 6: Final answer
    x = 3,980.31

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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.