Home / 2,328.87-3,212.40-1,664.57

Finding the Fourth Proportional to 2,328.87, 3,212.40 and 1,664.57

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Solution

The fourth proportional to 2,328.87, 3,212.40 and 1,664.57 is: 2,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.87 : 3,212.40 = 1,664.57 : x
  2. Step 2: Convert to fraction form
    2,328.87/3,212.40 = 1,664.57/x
  3. Step 3: Cross multiply
    2,328.87x = 3,212.40 × 1,664.57
  4. Step 4: Simplify right side
    2,328.87x = 5,347,264.67
  5. Step 5: Solve for x
    x = 5,347,264.67/2,328.87
  6. Step 6: Final answer
    x = 2,296.08

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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.