Home / 2,056.11-2,836.64-1,309.94

Finding the Fourth Proportional to 2,056.11, 2,836.64 and 1,309.94

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Solution

The fourth proportional to 2,056.11, 2,836.64 and 1,309.94 is: 1,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.11 : 2,836.64 = 1,309.94 : x
  2. Step 2: Convert to fraction form
    2,056.11/2,836.64 = 1,309.94/x
  3. Step 3: Cross multiply
    2,056.11x = 2,836.64 × 1,309.94
  4. Step 4: Simplify right side
    2,056.11x = 3,715,807.47
  5. Step 5: Solve for x
    x = 3,715,807.47/2,056.11
  6. Step 6: Final answer
    x = 1,807.20

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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.