Home / 2,436.40-3,362.20-1,332.40

Finding the Fourth Proportional to 2,436.40, 3,362.20 and 1,332.40

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Solution

The fourth proportional to 2,436.40, 3,362.20 and 1,332.40 is: 1,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.40 : 3,362.20 = 1,332.40 : x
  2. Step 2: Convert to fraction form
    2,436.40/3,362.20 = 1,332.40/x
  3. Step 3: Cross multiply
    2,436.40x = 3,362.20 × 1,332.40
  4. Step 4: Simplify right side
    2,436.40x = 4,479,795.28
  5. Step 5: Solve for x
    x = 4,479,795.28/2,436.40
  6. Step 6: Final answer
    x = 1,838.69

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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.