Home / 2,951.28-4,072.76-1,624.98

Finding the Fourth Proportional to 2,951.28, 4,072.76 and 1,624.98

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Solution

The fourth proportional to 2,951.28, 4,072.76 and 1,624.98 is: 2,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.28 : 4,072.76 = 1,624.98 : x
  2. Step 2: Convert to fraction form
    2,951.28/4,072.76 = 1,624.98/x
  3. Step 3: Cross multiply
    2,951.28x = 4,072.76 × 1,624.98
  4. Step 4: Simplify right side
    2,951.28x = 6,618,166.79
  5. Step 5: Solve for x
    x = 6,618,166.79/2,951.28
  6. Step 6: Final answer
    x = 2,242.47

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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.