Home / 2,259.48-3,117-1,374.70

Finding the Fourth Proportional to 2,259.48, 3,117 and 1,374.70

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Solution

The fourth proportional to 2,259.48, 3,117 and 1,374.70 is: 1,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.48 : 3,117 = 1,374.70 : x
  2. Step 2: Convert to fraction form
    2,259.48/3,117 = 1,374.70/x
  3. Step 3: Cross multiply
    2,259.48x = 3,117 × 1,374.70
  4. Step 4: Simplify right side
    2,259.48x = 4,284,939.90
  5. Step 5: Solve for x
    x = 4,284,939.90/2,259.48
  6. Step 6: Final answer
    x = 1,896.43

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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.