Home / 2,451.07-3,379.40-2,047.47

Finding the Fourth Proportional to 2,451.07, 3,379.40 and 2,047.47

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Solution

The fourth proportional to 2,451.07, 3,379.40 and 2,047.47 is: 2,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.07 : 3,379.40 = 2,047.47 : x
  2. Step 2: Convert to fraction form
    2,451.07/3,379.40 = 2,047.47/x
  3. Step 3: Cross multiply
    2,451.07x = 3,379.40 × 2,047.47
  4. Step 4: Simplify right side
    2,451.07x = 6,919,192.98
  5. Step 5: Solve for x
    x = 6,919,192.98/2,451.07
  6. Step 6: Final answer
    x = 2,822.93

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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.