Home / 1,996.24-2,754.40-1,210.14

Finding the Fourth Proportional to 1,996.24, 2,754.40 and 1,210.14

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Solution

The fourth proportional to 1,996.24, 2,754.40 and 1,210.14 is: 1,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.24 : 2,754.40 = 1,210.14 : x
  2. Step 2: Convert to fraction form
    1,996.24/2,754.40 = 1,210.14/x
  3. Step 3: Cross multiply
    1,996.24x = 2,754.40 × 1,210.14
  4. Step 4: Simplify right side
    1,996.24x = 3,333,209.62
  5. Step 5: Solve for x
    x = 3,333,209.62/1,996.24
  6. Step 6: Final answer
    x = 1,669.74

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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.