Home / 3,507.63-4,839.99-2,015.31

Finding the Fourth Proportional to 3,507.63, 4,839.99 and 2,015.31

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Solution

The fourth proportional to 3,507.63, 4,839.99 and 2,015.31 is: 2,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.63 : 4,839.99 = 2,015.31 : x
  2. Step 2: Convert to fraction form
    3,507.63/4,839.99 = 2,015.31/x
  3. Step 3: Cross multiply
    3,507.63x = 4,839.99 × 2,015.31
  4. Step 4: Simplify right side
    3,507.63x = 9,754,058.50
  5. Step 5: Solve for x
    x = 9,754,058.50/3,507.63
  6. Step 6: Final answer
    x = 2,780.81

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1.5x scale

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.