Home / 1,856.25-2,561.72-1,059.65

Finding the Fourth Proportional to 1,856.25, 2,561.72 and 1,059.65

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Solution

The fourth proportional to 1,856.25, 2,561.72 and 1,059.65 is: 1,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.25 : 2,561.72 = 1,059.65 : x
  2. Step 2: Convert to fraction form
    1,856.25/2,561.72 = 1,059.65/x
  3. Step 3: Cross multiply
    1,856.25x = 2,561.72 × 1,059.65
  4. Step 4: Simplify right side
    1,856.25x = 2,714,508.49
  5. Step 5: Solve for x
    x = 2,714,508.49/1,856.25
  6. Step 6: Final answer
    x = 1,462.36

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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.