Home / 2,049.22-2,828.97-1,210.18

Finding the Fourth Proportional to 2,049.22, 2,828.97 and 1,210.18

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Solution

The fourth proportional to 2,049.22, 2,828.97 and 1,210.18 is: 1,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.22 : 2,828.97 = 1,210.18 : x
  2. Step 2: Convert to fraction form
    2,049.22/2,828.97 = 1,210.18/x
  3. Step 3: Cross multiply
    2,049.22x = 2,828.97 × 1,210.18
  4. Step 4: Simplify right side
    2,049.22x = 3,423,562.91
  5. Step 5: Solve for x
    x = 3,423,562.91/2,049.22
  6. Step 6: Final answer
    x = 1,670.67

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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.