Home / 2,951.45-4,072.93-1,607.03

Finding the Fourth Proportional to 2,951.45, 4,072.93 and 1,607.03

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Solution

The fourth proportional to 2,951.45, 4,072.93 and 1,607.03 is: 2,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.45 : 4,072.93 = 1,607.03 : x
  2. Step 2: Convert to fraction form
    2,951.45/4,072.93 = 1,607.03/x
  3. Step 3: Cross multiply
    2,951.45x = 4,072.93 × 1,607.03
  4. Step 4: Simplify right side
    2,951.45x = 6,545,320.70
  5. Step 5: Solve for x
    x = 6,545,320.70/2,951.45
  6. Step 6: Final answer
    x = 2,217.66

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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.