Home / 3,127.04-4,314.56-1,947.27

Finding the Fourth Proportional to 3,127.04, 4,314.56 and 1,947.27

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Solution

The fourth proportional to 3,127.04, 4,314.56 and 1,947.27 is: 2,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.04 : 4,314.56 = 1,947.27 : x
  2. Step 2: Convert to fraction form
    3,127.04/4,314.56 = 1,947.27/x
  3. Step 3: Cross multiply
    3,127.04x = 4,314.56 × 1,947.27
  4. Step 4: Simplify right side
    3,127.04x = 8,401,603.51
  5. Step 5: Solve for x
    x = 8,401,603.51/3,127.04
  6. Step 6: Final answer
    x = 2,686.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.