Home / 1,938.39-2,905.53-1,013.01

Finding the Fourth Proportional to 1,938.39, 2,905.53 and 1,013.01

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Solution

The fourth proportional to 1,938.39, 2,905.53 and 1,013.01 is: 1,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.39 : 2,905.53 = 1,013.01 : x
  2. Step 2: Convert to fraction form
    1,938.39/2,905.53 = 1,013.01/x
  3. Step 3: Cross multiply
    1,938.39x = 2,905.53 × 1,013.01
  4. Step 4: Simplify right side
    1,938.39x = 2,943,330.95
  5. Step 5: Solve for x
    x = 2,943,330.95/1,938.39
  6. Step 6: Final answer
    x = 1,518.44

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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.