Home / 2,457.15-3,395.19-1,963.86

Finding the Fourth Proportional to 2,457.15, 3,395.19 and 1,963.86

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Solution

The fourth proportional to 2,457.15, 3,395.19 and 1,963.86 is: 2,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.15 : 3,395.19 = 1,963.86 : x
  2. Step 2: Convert to fraction form
    2,457.15/3,395.19 = 1,963.86/x
  3. Step 3: Cross multiply
    2,457.15x = 3,395.19 × 1,963.86
  4. Step 4: Simplify right side
    2,457.15x = 6,667,668.01
  5. Step 5: Solve for x
    x = 6,667,668.01/2,457.15
  6. Step 6: Final answer
    x = 2,713.58

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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.