Home / 2,018.19-2,785.11-1,134

Finding the Fourth Proportional to 2,018.19, 2,785.11 and 1,134

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Solution

The fourth proportional to 2,018.19, 2,785.11 and 1,134 is: 1,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.19 : 2,785.11 = 1,134 : x
  2. Step 2: Convert to fraction form
    2,018.19/2,785.11 = 1,134/x
  3. Step 3: Cross multiply
    2,018.19x = 2,785.11 × 1,134
  4. Step 4: Simplify right side
    2,018.19x = 3,158,314.74
  5. Step 5: Solve for x
    x = 3,158,314.74/2,018.19
  6. Step 6: Final answer
    x = 1,564.92

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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.