Home / 2,135.11-2,946.36-1,251.01

Finding the Fourth Proportional to 2,135.11, 2,946.36 and 1,251.01

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Solution

The fourth proportional to 2,135.11, 2,946.36 and 1,251.01 is: 1,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.11 : 2,946.36 = 1,251.01 : x
  2. Step 2: Convert to fraction form
    2,135.11/2,946.36 = 1,251.01/x
  3. Step 3: Cross multiply
    2,135.11x = 2,946.36 × 1,251.01
  4. Step 4: Simplify right side
    2,135.11x = 3,685,925.82
  5. Step 5: Solve for x
    x = 3,685,925.82/2,135.11
  6. Step 6: Final answer
    x = 1,726.34

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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.