Home / 3,061.08-4,224.70-1,819.16

Finding the Fourth Proportional to 3,061.08, 4,224.70 and 1,819.16

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Solution

The fourth proportional to 3,061.08, 4,224.70 and 1,819.16 is: 2,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.08 : 4,224.70 = 1,819.16 : x
  2. Step 2: Convert to fraction form
    3,061.08/4,224.70 = 1,819.16/x
  3. Step 3: Cross multiply
    3,061.08x = 4,224.70 × 1,819.16
  4. Step 4: Simplify right side
    3,061.08x = 7,685,405.25
  5. Step 5: Solve for x
    x = 7,685,405.25/3,061.08
  6. Step 6: Final answer
    x = 2,510.68

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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.