Home / 3,386.94-5,080.92-1,047.18

Finding the Fourth Proportional to 3,386.94, 5,080.92 and 1,047.18

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Solution

The fourth proportional to 3,386.94, 5,080.92 and 1,047.18 is: 1,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.94 : 5,080.92 = 1,047.18 : x
  2. Step 2: Convert to fraction form
    3,386.94/5,080.92 = 1,047.18/x
  3. Step 3: Cross multiply
    3,386.94x = 5,080.92 × 1,047.18
  4. Step 4: Simplify right side
    3,386.94x = 5,320,637.81
  5. Step 5: Solve for x
    x = 5,320,637.81/3,386.94
  6. Step 6: Final answer
    x = 1,570.93

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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.