Home / 2,434.91-3,359.36-1,386.23

Finding the Fourth Proportional to 2,434.91, 3,359.36 and 1,386.23

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Solution

The fourth proportional to 2,434.91, 3,359.36 and 1,386.23 is: 1,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.91 : 3,359.36 = 1,386.23 : x
  2. Step 2: Convert to fraction form
    2,434.91/3,359.36 = 1,386.23/x
  3. Step 3: Cross multiply
    2,434.91x = 3,359.36 × 1,386.23
  4. Step 4: Simplify right side
    2,434.91x = 4,656,838.68
  5. Step 5: Solve for x
    x = 4,656,838.68/2,434.91
  6. Step 6: Final answer
    x = 1,912.53

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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.