Home / 1,938.10-2,908.05-1,014.70

Finding the Fourth Proportional to 1,938.10, 2,908.05 and 1,014.70

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Solution

The fourth proportional to 1,938.10, 2,908.05 and 1,014.70 is: 1,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.10 : 2,908.05 = 1,014.70 : x
  2. Step 2: Convert to fraction form
    1,938.10/2,908.05 = 1,014.70/x
  3. Step 3: Cross multiply
    1,938.10x = 2,908.05 × 1,014.70
  4. Step 4: Simplify right side
    1,938.10x = 2,950,798.34
  5. Step 5: Solve for x
    x = 2,950,798.34/1,938.10
  6. Step 6: Final answer
    x = 1,522.52

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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.