Home / 2,049.46-2,828.16-1,210.20

Finding the Fourth Proportional to 2,049.46, 2,828.16 and 1,210.20

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Solution

The fourth proportional to 2,049.46, 2,828.16 and 1,210.20 is: 1,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.46 : 2,828.16 = 1,210.20 : x
  2. Step 2: Convert to fraction form
    2,049.46/2,828.16 = 1,210.20/x
  3. Step 3: Cross multiply
    2,049.46x = 2,828.16 × 1,210.20
  4. Step 4: Simplify right side
    2,049.46x = 3,422,639.23
  5. Step 5: Solve for x
    x = 3,422,639.23/2,049.46
  6. Step 6: Final answer
    x = 1,670.02

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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.