Home / 3,530.65-4,872.51-2,018.69

Finding the Fourth Proportional to 3,530.65, 4,872.51 and 2,018.69

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Solution

The fourth proportional to 3,530.65, 4,872.51 and 2,018.69 is: 2,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.65 : 4,872.51 = 2,018.69 : x
  2. Step 2: Convert to fraction form
    3,530.65/4,872.51 = 2,018.69/x
  3. Step 3: Cross multiply
    3,530.65x = 4,872.51 × 2,018.69
  4. Step 4: Simplify right side
    3,530.65x = 9,836,087.21
  5. Step 5: Solve for x
    x = 9,836,087.21/3,530.65
  6. Step 6: Final answer
    x = 2,785.91

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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.