Home / 2,230.23-3,345.30-913.02

Finding the Fourth Proportional to 2,230.23, 3,345.30 and 913.02

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Solution

The fourth proportional to 2,230.23, 3,345.30 and 913.02 is: 1,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.23 : 3,345.30 = 913.02 : x
  2. Step 2: Convert to fraction form
    2,230.23/3,345.30 = 913.02/x
  3. Step 3: Cross multiply
    2,230.23x = 3,345.30 × 913.02
  4. Step 4: Simplify right side
    2,230.23x = 3,054,325.81
  5. Step 5: Solve for x
    x = 3,054,325.81/2,230.23
  6. Step 6: Final answer
    x = 1,369.51

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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.