Home / 3,485.43-4,810.29-2,422.91

Finding the Fourth Proportional to 3,485.43, 4,810.29 and 2,422.91

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Solution

The fourth proportional to 3,485.43, 4,810.29 and 2,422.91 is: 3,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.43 : 4,810.29 = 2,422.91 : x
  2. Step 2: Convert to fraction form
    3,485.43/4,810.29 = 2,422.91/x
  3. Step 3: Cross multiply
    3,485.43x = 4,810.29 × 2,422.91
  4. Step 4: Simplify right side
    3,485.43x = 11,654,899.74
  5. Step 5: Solve for x
    x = 11,654,899.74/3,485.43
  6. Step 6: Final answer
    x = 3,343.89

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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.