Home / 2,415.56-3,614.70-1,490.36

Finding the Fourth Proportional to 2,415.56, 3,614.70 and 1,490.36

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Solution

The fourth proportional to 2,415.56, 3,614.70 and 1,490.36 is: 2,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.56 : 3,614.70 = 1,490.36 : x
  2. Step 2: Convert to fraction form
    2,415.56/3,614.70 = 1,490.36/x
  3. Step 3: Cross multiply
    2,415.56x = 3,614.70 × 1,490.36
  4. Step 4: Simplify right side
    2,415.56x = 5,387,204.29
  5. Step 5: Solve for x
    x = 5,387,204.29/2,415.56
  6. Step 6: Final answer
    x = 2,230.21

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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.