Home / 2,966.20-4,448.70-1,210.76

Finding the Fourth Proportional to 2,966.20, 4,448.70 and 1,210.76

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Solution

The fourth proportional to 2,966.20, 4,448.70 and 1,210.76 is: 1,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.20 : 4,448.70 = 1,210.76 : x
  2. Step 2: Convert to fraction form
    2,966.20/4,448.70 = 1,210.76/x
  3. Step 3: Cross multiply
    2,966.20x = 4,448.70 × 1,210.76
  4. Step 4: Simplify right side
    2,966.20x = 5,386,308.01
  5. Step 5: Solve for x
    x = 5,386,308.01/2,966.20
  6. Step 6: Final answer
    x = 1,815.90

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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.