Home / 1,856.38-2,562.75-1,435.81

Finding the Fourth Proportional to 1,856.38, 2,562.75 and 1,435.81

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Solution

The fourth proportional to 1,856.38, 2,562.75 and 1,435.81 is: 1,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.38 : 2,562.75 = 1,435.81 : x
  2. Step 2: Convert to fraction form
    1,856.38/2,562.75 = 1,435.81/x
  3. Step 3: Cross multiply
    1,856.38x = 2,562.75 × 1,435.81
  4. Step 4: Simplify right side
    1,856.38x = 3,679,622.08
  5. Step 5: Solve for x
    x = 3,679,622.08/1,856.38
  6. Step 6: Final answer
    x = 1,982.15

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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.