Home / 3,224.16-4,838.40-2,070.72

Finding the Fourth Proportional to 3,224.16, 4,838.40 and 2,070.72

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Solution

The fourth proportional to 3,224.16, 4,838.40 and 2,070.72 is: 3,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.16 : 4,838.40 = 2,070.72 : x
  2. Step 2: Convert to fraction form
    3,224.16/4,838.40 = 2,070.72/x
  3. Step 3: Cross multiply
    3,224.16x = 4,838.40 × 2,070.72
  4. Step 4: Simplify right side
    3,224.16x = 10,018,971.65
  5. Step 5: Solve for x
    x = 10,018,971.65/3,224.16
  6. Step 6: Final answer
    x = 3,107.47

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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.