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Finding the Fourth Proportional to 2,490.55, 3,437.08 and 1,495.87

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Solution

The fourth proportional to 2,490.55, 3,437.08 and 1,495.87 is: 2,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.55 : 3,437.08 = 1,495.87 : x
  2. Step 2: Convert to fraction form
    2,490.55/3,437.08 = 1,495.87/x
  3. Step 3: Cross multiply
    2,490.55x = 3,437.08 × 1,495.87
  4. Step 4: Simplify right side
    2,490.55x = 5,141,420.94
  5. Step 5: Solve for x
    x = 5,141,420.94/2,490.55
  6. Step 6: Final answer
    x = 2,064.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.