Home / 2,239.76-3,088.68-2,156.24

Finding the Fourth Proportional to 2,239.76, 3,088.68 and 2,156.24

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Solution

The fourth proportional to 2,239.76, 3,088.68 and 2,156.24 is: 2,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.76 : 3,088.68 = 2,156.24 : x
  2. Step 2: Convert to fraction form
    2,239.76/3,088.68 = 2,156.24/x
  3. Step 3: Cross multiply
    2,239.76x = 3,088.68 × 2,156.24
  4. Step 4: Simplify right side
    2,239.76x = 6,659,935.36
  5. Step 5: Solve for x
    x = 6,659,935.36/2,239.76
  6. Step 6: Final answer
    x = 2,973.50

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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.