Home / 1,970.36-2,951.85-1,767.50

Finding the Fourth Proportional to 1,970.36, 2,951.85 and 1,767.50

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Solution

The fourth proportional to 1,970.36, 2,951.85 and 1,767.50 is: 2,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.36 : 2,951.85 = 1,767.50 : x
  2. Step 2: Convert to fraction form
    1,970.36/2,951.85 = 1,767.50/x
  3. Step 3: Cross multiply
    1,970.36x = 2,951.85 × 1,767.50
  4. Step 4: Simplify right side
    1,970.36x = 5,217,394.88
  5. Step 5: Solve for x
    x = 5,217,394.88/1,970.36
  6. Step 6: Final answer
    x = 2,647.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.