Home / 2,140.02-2,952.99-1,208.52

Finding the Fourth Proportional to 2,140.02, 2,952.99 and 1,208.52

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Solution

The fourth proportional to 2,140.02, 2,952.99 and 1,208.52 is: 1,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.02 : 2,952.99 = 1,208.52 : x
  2. Step 2: Convert to fraction form
    2,140.02/2,952.99 = 1,208.52/x
  3. Step 3: Cross multiply
    2,140.02x = 2,952.99 × 1,208.52
  4. Step 4: Simplify right side
    2,140.02x = 3,568,747.47
  5. Step 5: Solve for x
    x = 3,568,747.47/2,140.02
  6. Step 6: Final answer
    x = 1,667.62

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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.