Home / 2,230.07-3,345.28-749.23

Finding the Fourth Proportional to 2,230.07, 3,345.28 and 749.23

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Solution

The fourth proportional to 2,230.07, 3,345.28 and 749.23 is: 1,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.07 : 3,345.28 = 749.23 : x
  2. Step 2: Convert to fraction form
    2,230.07/3,345.28 = 749.23/x
  3. Step 3: Cross multiply
    2,230.07x = 3,345.28 × 749.23
  4. Step 4: Simplify right side
    2,230.07x = 2,506,373.90
  5. Step 5: Solve for x
    x = 2,506,373.90/2,230.07
  6. Step 6: Final answer
    x = 1,123.90

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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.