Home / 2,850.64-4,277.61-1,207.08

Finding the Fourth Proportional to 2,850.64, 4,277.61 and 1,207.08

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Solution

The fourth proportional to 2,850.64, 4,277.61 and 1,207.08 is: 1,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.64 : 4,277.61 = 1,207.08 : x
  2. Step 2: Convert to fraction form
    2,850.64/4,277.61 = 1,207.08/x
  3. Step 3: Cross multiply
    2,850.64x = 4,277.61 × 1,207.08
  4. Step 4: Simplify right side
    2,850.64x = 5,163,417.48
  5. Step 5: Solve for x
    x = 5,163,417.48/2,850.64
  6. Step 6: Final answer
    x = 1,811.32

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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.