Home / 1,259.24-1,886.63-1,074.76

Finding the Fourth Proportional to 1,259.24, 1,886.63 and 1,074.76

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Solution

The fourth proportional to 1,259.24, 1,886.63 and 1,074.76 is: 1,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.24 : 1,886.63 = 1,074.76 : x
  2. Step 2: Convert to fraction form
    1,259.24/1,886.63 = 1,074.76/x
  3. Step 3: Cross multiply
    1,259.24x = 1,886.63 × 1,074.76
  4. Step 4: Simplify right side
    1,259.24x = 2,027,664.37
  5. Step 5: Solve for x
    x = 2,027,664.37/1,259.24
  6. Step 6: Final answer
    x = 1,610.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.