Home / 2,322.87-3,483.76-1,386.07

Finding the Fourth Proportional to 2,322.87, 3,483.76 and 1,386.07

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Solution

The fourth proportional to 2,322.87, 3,483.76 and 1,386.07 is: 2,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.87 : 3,483.76 = 1,386.07 : x
  2. Step 2: Convert to fraction form
    2,322.87/3,483.76 = 1,386.07/x
  3. Step 3: Cross multiply
    2,322.87x = 3,483.76 × 1,386.07
  4. Step 4: Simplify right side
    2,322.87x = 4,828,728.29
  5. Step 5: Solve for x
    x = 4,828,728.29/2,322.87
  6. Step 6: Final answer
    x = 2,078.78

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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.