Home / 2,883.64-3,979.63-1,624.83

Finding the Fourth Proportional to 2,883.64, 3,979.63 and 1,624.83

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Solution

The fourth proportional to 2,883.64, 3,979.63 and 1,624.83 is: 2,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.64 : 3,979.63 = 1,624.83 : x
  2. Step 2: Convert to fraction form
    2,883.64/3,979.63 = 1,624.83/x
  3. Step 3: Cross multiply
    2,883.64x = 3,979.63 × 1,624.83
  4. Step 4: Simplify right side
    2,883.64x = 6,466,222.21
  5. Step 5: Solve for x
    x = 6,466,222.21/2,883.64
  6. Step 6: Final answer
    x = 2,242.39

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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.