Home / 2,623.11-3,618.90-1,503.64

Finding the Fourth Proportional to 2,623.11, 3,618.90 and 1,503.64

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Solution

The fourth proportional to 2,623.11, 3,618.90 and 1,503.64 is: 2,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.11 : 3,618.90 = 1,503.64 : x
  2. Step 2: Convert to fraction form
    2,623.11/3,618.90 = 1,503.64/x
  3. Step 3: Cross multiply
    2,623.11x = 3,618.90 × 1,503.64
  4. Step 4: Simplify right side
    2,623.11x = 5,441,522.80
  5. Step 5: Solve for x
    x = 5,441,522.80/2,623.11
  6. Step 6: Final answer
    x = 2,074.45

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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.