Home / 3,018.71-4,521.38-2,320.22

Finding the Fourth Proportional to 3,018.71, 4,521.38 and 2,320.22

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Solution

The fourth proportional to 3,018.71, 4,521.38 and 2,320.22 is: 3,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.71 : 4,521.38 = 2,320.22 : x
  2. Step 2: Convert to fraction form
    3,018.71/4,521.38 = 2,320.22/x
  3. Step 3: Cross multiply
    3,018.71x = 4,521.38 × 2,320.22
  4. Step 4: Simplify right side
    3,018.71x = 10,490,596.01
  5. Step 5: Solve for x
    x = 10,490,596.01/3,018.71
  6. Step 6: Final answer
    x = 3,475.19

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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.