Home / 2,007.15-2,768.88-1,416.39

Finding the Fourth Proportional to 2,007.15, 2,768.88 and 1,416.39

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Solution

The fourth proportional to 2,007.15, 2,768.88 and 1,416.39 is: 1,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.15 : 2,768.88 = 1,416.39 : x
  2. Step 2: Convert to fraction form
    2,007.15/2,768.88 = 1,416.39/x
  3. Step 3: Cross multiply
    2,007.15x = 2,768.88 × 1,416.39
  4. Step 4: Simplify right side
    2,007.15x = 3,921,813.94
  5. Step 5: Solve for x
    x = 3,921,813.94/2,007.15
  6. Step 6: Final answer
    x = 1,953.92

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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.