Home / 1,836.84-2,535.61-1,305.82

Finding the Fourth Proportional to 1,836.84, 2,535.61 and 1,305.82

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Solution

The fourth proportional to 1,836.84, 2,535.61 and 1,305.82 is: 1,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.84 : 2,535.61 = 1,305.82 : x
  2. Step 2: Convert to fraction form
    1,836.84/2,535.61 = 1,305.82/x
  3. Step 3: Cross multiply
    1,836.84x = 2,535.61 × 1,305.82
  4. Step 4: Simplify right side
    1,836.84x = 3,311,038.34
  5. Step 5: Solve for x
    x = 3,311,038.34/1,836.84
  6. Step 6: Final answer
    x = 1,802.57

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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.