Home / 2,835.51-4,254.07-1,191.21

Finding the Fourth Proportional to 2,835.51, 4,254.07 and 1,191.21

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Solution

The fourth proportional to 2,835.51, 4,254.07 and 1,191.21 is: 1,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.51 : 4,254.07 = 1,191.21 : x
  2. Step 2: Convert to fraction form
    2,835.51/4,254.07 = 1,191.21/x
  3. Step 3: Cross multiply
    2,835.51x = 4,254.07 × 1,191.21
  4. Step 4: Simplify right side
    2,835.51x = 5,067,490.72
  5. Step 5: Solve for x
    x = 5,067,490.72/2,835.51
  6. Step 6: Final answer
    x = 1,787.15

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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.