Home / 1,947.71-2,918.84-1,460.23

Finding the Fourth Proportional to 1,947.71, 2,918.84 and 1,460.23

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Solution

The fourth proportional to 1,947.71, 2,918.84 and 1,460.23 is: 2,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.71 : 2,918.84 = 1,460.23 : x
  2. Step 2: Convert to fraction form
    1,947.71/2,918.84 = 1,460.23/x
  3. Step 3: Cross multiply
    1,947.71x = 2,918.84 × 1,460.23
  4. Step 4: Simplify right side
    1,947.71x = 4,262,163.13
  5. Step 5: Solve for x
    x = 4,262,163.13/1,947.71
  6. Step 6: Final answer
    x = 2,188.29

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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.