Home / 2,465.55-3,693.87-2,115.63

Finding the Fourth Proportional to 2,465.55, 3,693.87 and 2,115.63

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Solution

The fourth proportional to 2,465.55, 3,693.87 and 2,115.63 is: 3,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.55 : 3,693.87 = 2,115.63 : x
  2. Step 2: Convert to fraction form
    2,465.55/3,693.87 = 2,115.63/x
  3. Step 3: Cross multiply
    2,465.55x = 3,693.87 × 2,115.63
  4. Step 4: Simplify right side
    2,465.55x = 7,814,862.19
  5. Step 5: Solve for x
    x = 7,814,862.19/2,465.55
  6. Step 6: Final answer
    x = 3,169.62

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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.