Home / 2,011.60-3,015.36-1,362.40

Finding the Fourth Proportional to 2,011.60, 3,015.36 and 1,362.40

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Solution

The fourth proportional to 2,011.60, 3,015.36 and 1,362.40 is: 2,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.60 : 3,015.36 = 1,362.40 : x
  2. Step 2: Convert to fraction form
    2,011.60/3,015.36 = 1,362.40/x
  3. Step 3: Cross multiply
    2,011.60x = 3,015.36 × 1,362.40
  4. Step 4: Simplify right side
    2,011.60x = 4,108,126.46
  5. Step 5: Solve for x
    x = 4,108,126.46/2,011.60
  6. Step 6: Final answer
    x = 2,042.22

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