Home / 2,825.70-4,215.32-2,501.70

Finding the Fourth Proportional to 2,825.70, 4,215.32 and 2,501.70

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Solution

The fourth proportional to 2,825.70, 4,215.32 and 2,501.70 is: 3,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.70 : 4,215.32 = 2,501.70 : x
  2. Step 2: Convert to fraction form
    2,825.70/4,215.32 = 2,501.70/x
  3. Step 3: Cross multiply
    2,825.70x = 4,215.32 × 2,501.70
  4. Step 4: Simplify right side
    2,825.70x = 10,545,453.54
  5. Step 5: Solve for x
    x = 10,545,453.54/2,825.70
  6. Step 6: Final answer
    x = 3,731.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.