Home / 2,785.79-3,844.26-1,607.24

Finding the Fourth Proportional to 2,785.79, 3,844.26 and 1,607.24

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Solution

The fourth proportional to 2,785.79, 3,844.26 and 1,607.24 is: 2,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.79 : 3,844.26 = 1,607.24 : x
  2. Step 2: Convert to fraction form
    2,785.79/3,844.26 = 1,607.24/x
  3. Step 3: Cross multiply
    2,785.79x = 3,844.26 × 1,607.24
  4. Step 4: Simplify right side
    2,785.79x = 6,178,658.05
  5. Step 5: Solve for x
    x = 6,178,658.05/2,785.79
  6. Step 6: Final answer
    x = 2,217.92

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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.