Home / 3,724.08-5,139.34-2,152.17

Finding the Fourth Proportional to 3,724.08, 5,139.34 and 2,152.17

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Solution

The fourth proportional to 3,724.08, 5,139.34 and 2,152.17 is: 2,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.08 : 5,139.34 = 2,152.17 : x
  2. Step 2: Convert to fraction form
    3,724.08/5,139.34 = 2,152.17/x
  3. Step 3: Cross multiply
    3,724.08x = 5,139.34 × 2,152.17
  4. Step 4: Simplify right side
    3,724.08x = 11,060,733.37
  5. Step 5: Solve for x
    x = 11,060,733.37/3,724.08
  6. Step 6: Final answer
    x = 2,970.06

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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.