Home / 2,423.40-3,626.21-1,983.57

Finding the Fourth Proportional to 2,423.40, 3,626.21 and 1,983.57

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Solution

The fourth proportional to 2,423.40, 3,626.21 and 1,983.57 is: 2,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.40 : 3,626.21 = 1,983.57 : x
  2. Step 2: Convert to fraction form
    2,423.40/3,626.21 = 1,983.57/x
  3. Step 3: Cross multiply
    2,423.40x = 3,626.21 × 1,983.57
  4. Step 4: Simplify right side
    2,423.40x = 7,192,813.32
  5. Step 5: Solve for x
    x = 7,192,813.32/2,423.40
  6. Step 6: Final answer
    x = 2,968.07

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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.