Home / 2,342.94-3,225.03-2,121.51

Finding the Fourth Proportional to 2,342.94, 3,225.03 and 2,121.51

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Solution

The fourth proportional to 2,342.94, 3,225.03 and 2,121.51 is: 2,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.94 : 3,225.03 = 2,121.51 : x
  2. Step 2: Convert to fraction form
    2,342.94/3,225.03 = 2,121.51/x
  3. Step 3: Cross multiply
    2,342.94x = 3,225.03 × 2,121.51
  4. Step 4: Simplify right side
    2,342.94x = 6,841,931.33
  5. Step 5: Solve for x
    x = 6,841,931.33/2,342.94
  6. Step 6: Final answer
    x = 2,920.23

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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.