Home / 2,988.36-4,124.16-1,662.39

Finding the Fourth Proportional to 2,988.36, 4,124.16 and 1,662.39

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Solution

The fourth proportional to 2,988.36, 4,124.16 and 1,662.39 is: 2,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.36 : 4,124.16 = 1,662.39 : x
  2. Step 2: Convert to fraction form
    2,988.36/4,124.16 = 1,662.39/x
  3. Step 3: Cross multiply
    2,988.36x = 4,124.16 × 1,662.39
  4. Step 4: Simplify right side
    2,988.36x = 6,855,962.34
  5. Step 5: Solve for x
    x = 6,855,962.34/2,988.36
  6. Step 6: Final answer
    x = 2,294.22

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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.