Home / 2,140.02-2,954.61-1,344.47

Finding the Fourth Proportional to 2,140.02, 2,954.61 and 1,344.47

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Solution

The fourth proportional to 2,140.02, 2,954.61 and 1,344.47 is: 1,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.02 : 2,954.61 = 1,344.47 : x
  2. Step 2: Convert to fraction form
    2,140.02/2,954.61 = 1,344.47/x
  3. Step 3: Cross multiply
    2,140.02x = 2,954.61 × 1,344.47
  4. Step 4: Simplify right side
    2,140.02x = 3,972,369.73
  5. Step 5: Solve for x
    x = 3,972,369.73/2,140.02
  6. Step 6: Final answer
    x = 1,856.23

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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.