Home / 2,267.39-3,125.44-1,603.19

Finding the Fourth Proportional to 2,267.39, 3,125.44 and 1,603.19

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Solution

The fourth proportional to 2,267.39, 3,125.44 and 1,603.19 is: 2,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.39 : 3,125.44 = 1,603.19 : x
  2. Step 2: Convert to fraction form
    2,267.39/3,125.44 = 1,603.19/x
  3. Step 3: Cross multiply
    2,267.39x = 3,125.44 × 1,603.19
  4. Step 4: Simplify right side
    2,267.39x = 5,010,674.15
  5. Step 5: Solve for x
    x = 5,010,674.15/2,267.39
  6. Step 6: Final answer
    x = 2,209.89

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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.