Home / 2,423.80-3,637.74-2,146.92

Finding the Fourth Proportional to 2,423.80, 3,637.74 and 2,146.92

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Solution

The fourth proportional to 2,423.80, 3,637.74 and 2,146.92 is: 3,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.80 : 3,637.74 = 2,146.92 : x
  2. Step 2: Convert to fraction form
    2,423.80/3,637.74 = 2,146.92/x
  3. Step 3: Cross multiply
    2,423.80x = 3,637.74 × 2,146.92
  4. Step 4: Simplify right side
    2,423.80x = 7,809,936.76
  5. Step 5: Solve for x
    x = 7,809,936.76/2,423.80
  6. Step 6: Final answer
    x = 3,222.19

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1.5x scale

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.