Home / 2,900.39-4,003.16-2,269.67

Finding the Fourth Proportional to 2,900.39, 4,003.16 and 2,269.67

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Solution

The fourth proportional to 2,900.39, 4,003.16 and 2,269.67 is: 3,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.39 : 4,003.16 = 2,269.67 : x
  2. Step 2: Convert to fraction form
    2,900.39/4,003.16 = 2,269.67/x
  3. Step 3: Cross multiply
    2,900.39x = 4,003.16 × 2,269.67
  4. Step 4: Simplify right side
    2,900.39x = 9,085,852.16
  5. Step 5: Solve for x
    x = 9,085,852.16/2,900.39
  6. Step 6: Final answer
    x = 3,132.63

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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.