Home / 2,301.90-3,455.01-2,140.98

Finding the Fourth Proportional to 2,301.90, 3,455.01 and 2,140.98

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Solution

The fourth proportional to 2,301.90, 3,455.01 and 2,140.98 is: 3,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.90 : 3,455.01 = 2,140.98 : x
  2. Step 2: Convert to fraction form
    2,301.90/3,455.01 = 2,140.98/x
  3. Step 3: Cross multiply
    2,301.90x = 3,455.01 × 2,140.98
  4. Step 4: Simplify right side
    2,301.90x = 7,397,107.31
  5. Step 5: Solve for x
    x = 7,397,107.31/2,301.90
  6. Step 6: Final answer
    x = 3,213.48

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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.