Home / 2,962.36-4,088.10-1,720.36

Finding the Fourth Proportional to 2,962.36, 4,088.10 and 1,720.36

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Solution

The fourth proportional to 2,962.36, 4,088.10 and 1,720.36 is: 2,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.36 : 4,088.10 = 1,720.36 : x
  2. Step 2: Convert to fraction form
    2,962.36/4,088.10 = 1,720.36/x
  3. Step 3: Cross multiply
    2,962.36x = 4,088.10 × 1,720.36
  4. Step 4: Simplify right side
    2,962.36x = 7,033,003.72
  5. Step 5: Solve for x
    x = 7,033,003.72/2,962.36
  6. Step 6: Final answer
    x = 2,374.12

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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.