Home / 2,010.24-2,771.52-1,311.36

Finding the Fourth Proportional to 2,010.24, 2,771.52 and 1,311.36

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Solution

The fourth proportional to 2,010.24, 2,771.52 and 1,311.36 is: 1,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.24 : 2,771.52 = 1,311.36 : x
  2. Step 2: Convert to fraction form
    2,010.24/2,771.52 = 1,311.36/x
  3. Step 3: Cross multiply
    2,010.24x = 2,771.52 × 1,311.36
  4. Step 4: Simplify right side
    2,010.24x = 3,634,460.47
  5. Step 5: Solve for x
    x = 3,634,460.47/2,010.24
  6. Step 6: Final answer
    x = 1,807.97

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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.