Home / 2,901.29-4,003.75-1,575

Finding the Fourth Proportional to 2,901.29, 4,003.75 and 1,575

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Solution

The fourth proportional to 2,901.29, 4,003.75 and 1,575 is: 2,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.29 : 4,003.75 = 1,575 : x
  2. Step 2: Convert to fraction form
    2,901.29/4,003.75 = 1,575/x
  3. Step 3: Cross multiply
    2,901.29x = 4,003.75 × 1,575
  4. Step 4: Simplify right side
    2,901.29x = 6,305,906.25
  5. Step 5: Solve for x
    x = 6,305,906.25/2,901.29
  6. Step 6: Final answer
    x = 2,173.48

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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.