Home / 2,135.30-2,949.54-1,741.64

Finding the Fourth Proportional to 2,135.30, 2,949.54 and 1,741.64

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Solution

The fourth proportional to 2,135.30, 2,949.54 and 1,741.64 is: 2,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.30 : 2,949.54 = 1,741.64 : x
  2. Step 2: Convert to fraction form
    2,135.30/2,949.54 = 1,741.64/x
  3. Step 3: Cross multiply
    2,135.30x = 2,949.54 × 1,741.64
  4. Step 4: Simplify right side
    2,135.30x = 5,137,036.85
  5. Step 5: Solve for x
    x = 5,137,036.85/2,135.30
  6. Step 6: Final answer
    x = 2,405.77

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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.