Home / 2,386.11-3,292.68-1,323.84

Finding the Fourth Proportional to 2,386.11, 3,292.68 and 1,323.84

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Solution

The fourth proportional to 2,386.11, 3,292.68 and 1,323.84 is: 1,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.11 : 3,292.68 = 1,323.84 : x
  2. Step 2: Convert to fraction form
    2,386.11/3,292.68 = 1,323.84/x
  3. Step 3: Cross multiply
    2,386.11x = 3,292.68 × 1,323.84
  4. Step 4: Simplify right side
    2,386.11x = 4,358,981.49
  5. Step 5: Solve for x
    x = 4,358,981.49/2,386.11
  6. Step 6: Final answer
    x = 1,826.81

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1.5x scale

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.