Home / 4,123.89-5,690.66-2,355.26

Finding the Fourth Proportional to 4,123.89, 5,690.66 and 2,355.26

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Solution

The fourth proportional to 4,123.89, 5,690.66 and 2,355.26 is: 3,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.89 : 5,690.66 = 2,355.26 : x
  2. Step 2: Convert to fraction form
    4,123.89/5,690.66 = 2,355.26/x
  3. Step 3: Cross multiply
    4,123.89x = 5,690.66 × 2,355.26
  4. Step 4: Simplify right side
    4,123.89x = 13,402,943.64
  5. Step 5: Solve for x
    x = 13,402,943.64/4,123.89
  6. Step 6: Final answer
    x = 3,250.07

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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.