Home / 2,923.80-4,373.55-2,486.40

Finding the Fourth Proportional to 2,923.80, 4,373.55 and 2,486.40

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Solution

The fourth proportional to 2,923.80, 4,373.55 and 2,486.40 is: 3,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.80 : 4,373.55 = 2,486.40 : x
  2. Step 2: Convert to fraction form
    2,923.80/4,373.55 = 2,486.40/x
  3. Step 3: Cross multiply
    2,923.80x = 4,373.55 × 2,486.40
  4. Step 4: Simplify right side
    2,923.80x = 10,874,394.72
  5. Step 5: Solve for x
    x = 10,874,394.72/2,923.80
  6. Step 6: Final answer
    x = 3,719.27

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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.