Home / 1,259.10-1,889.26-566.26

Finding the Fourth Proportional to 1,259.10, 1,889.26 and 566.26

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Solution

The fourth proportional to 1,259.10, 1,889.26 and 566.26 is: 849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.10 : 1,889.26 = 566.26 : x
  2. Step 2: Convert to fraction form
    1,259.10/1,889.26 = 566.26/x
  3. Step 3: Cross multiply
    1,259.10x = 1,889.26 × 566.26
  4. Step 4: Simplify right side
    1,259.10x = 1,069,812.37
  5. Step 5: Solve for x
    x = 1,069,812.37/1,259.10
  6. Step 6: Final answer
    x = 849.66

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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.