Home / 1,259.61-1,889.55-1,093.77

Finding the Fourth Proportional to 1,259.61, 1,889.55 and 1,093.77

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Solution

The fourth proportional to 1,259.61, 1,889.55 and 1,093.77 is: 1,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.61 : 1,889.55 = 1,093.77 : x
  2. Step 2: Convert to fraction form
    1,259.61/1,889.55 = 1,093.77/x
  3. Step 3: Cross multiply
    1,259.61x = 1,889.55 × 1,093.77
  4. Step 4: Simplify right side
    1,259.61x = 2,066,733.10
  5. Step 5: Solve for x
    x = 2,066,733.10/1,259.61
  6. Step 6: Final answer
    x = 1,640.77

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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.