Home / 2,040.19-2,814.46-1,331.70

Finding the Fourth Proportional to 2,040.19, 2,814.46 and 1,331.70

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Solution

The fourth proportional to 2,040.19, 2,814.46 and 1,331.70 is: 1,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.19 : 2,814.46 = 1,331.70 : x
  2. Step 2: Convert to fraction form
    2,040.19/2,814.46 = 1,331.70/x
  3. Step 3: Cross multiply
    2,040.19x = 2,814.46 × 1,331.70
  4. Step 4: Simplify right side
    2,040.19x = 3,748,009.72
  5. Step 5: Solve for x
    x = 3,748,009.72/2,040.19
  6. Step 6: Final answer
    x = 1,837.09

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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.