Home / 2,146.13-3,219.38-607.13

Finding the Fourth Proportional to 2,146.13, 3,219.38 and 607.13

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Solution

The fourth proportional to 2,146.13, 3,219.38 and 607.13 is: 910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.13 : 3,219.38 = 607.13 : x
  2. Step 2: Convert to fraction form
    2,146.13/3,219.38 = 607.13/x
  3. Step 3: Cross multiply
    2,146.13x = 3,219.38 × 607.13
  4. Step 4: Simplify right side
    2,146.13x = 1,954,563.05
  5. Step 5: Solve for x
    x = 1,954,563.05/2,146.13
  6. Step 6: Final answer
    x = 910.74

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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.