Home / 2,802.08-4,201.29-1,342.05

Finding the Fourth Proportional to 2,802.08, 4,201.29 and 1,342.05

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Solution

The fourth proportional to 2,802.08, 4,201.29 and 1,342.05 is: 2,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.08 : 4,201.29 = 1,342.05 : x
  2. Step 2: Convert to fraction form
    2,802.08/4,201.29 = 1,342.05/x
  3. Step 3: Cross multiply
    2,802.08x = 4,201.29 × 1,342.05
  4. Step 4: Simplify right side
    2,802.08x = 5,638,341.24
  5. Step 5: Solve for x
    x = 5,638,341.24/2,802.08
  6. Step 6: Final answer
    x = 2,012.20

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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.