Home / 2,623.44-3,939.84-2,341.20

Finding the Fourth Proportional to 2,623.44, 3,939.84 and 2,341.20

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Solution

The fourth proportional to 2,623.44, 3,939.84 and 2,341.20 is: 3,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.44 : 3,939.84 = 2,341.20 : x
  2. Step 2: Convert to fraction form
    2,623.44/3,939.84 = 2,341.20/x
  3. Step 3: Cross multiply
    2,623.44x = 3,939.84 × 2,341.20
  4. Step 4: Simplify right side
    2,623.44x = 9,223,953.41
  5. Step 5: Solve for x
    x = 9,223,953.41/2,623.44
  6. Step 6: Final answer
    x = 3,515.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.