Home / 2,135.32-2,946.84-1,251.16

Finding the Fourth Proportional to 2,135.32, 2,946.84 and 1,251.16

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Solution

The fourth proportional to 2,135.32, 2,946.84 and 1,251.16 is: 1,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.32 : 2,946.84 = 1,251.16 : x
  2. Step 2: Convert to fraction form
    2,135.32/2,946.84 = 1,251.16/x
  3. Step 3: Cross multiply
    2,135.32x = 2,946.84 × 1,251.16
  4. Step 4: Simplify right side
    2,135.32x = 3,686,968.33
  5. Step 5: Solve for x
    x = 3,686,968.33/2,135.32
  6. Step 6: Final answer
    x = 1,726.66

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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.