Home / 2,988.04-4,109.79-2,397.28

Finding the Fourth Proportional to 2,988.04, 4,109.79 and 2,397.28

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Solution

The fourth proportional to 2,988.04, 4,109.79 and 2,397.28 is: 3,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.04 : 4,109.79 = 2,397.28 : x
  2. Step 2: Convert to fraction form
    2,988.04/4,109.79 = 2,397.28/x
  3. Step 3: Cross multiply
    2,988.04x = 4,109.79 × 2,397.28
  4. Step 4: Simplify right side
    2,988.04x = 9,852,317.37
  5. Step 5: Solve for x
    x = 9,852,317.37/2,988.04
  6. Step 6: Final answer
    x = 3,297.25

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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.