Home / 2,152.47-2,944.86-2,143.26

Finding the Fourth Proportional to 2,152.47, 2,944.86 and 2,143.26

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Solution

The fourth proportional to 2,152.47, 2,944.86 and 2,143.26 is: 2,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.47 : 2,944.86 = 2,143.26 : x
  2. Step 2: Convert to fraction form
    2,152.47/2,944.86 = 2,143.26/x
  3. Step 3: Cross multiply
    2,152.47x = 2,944.86 × 2,143.26
  4. Step 4: Simplify right side
    2,152.47x = 6,311,592.61
  5. Step 5: Solve for x
    x = 6,311,592.61/2,152.47
  6. Step 6: Final answer
    x = 2,932.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.