Home / 1,664.65-2,500.47-1,609.37

Finding the Fourth Proportional to 1,664.65, 2,500.47 and 1,609.37

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Solution

The fourth proportional to 1,664.65, 2,500.47 and 1,609.37 is: 2,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.65 : 2,500.47 = 1,609.37 : x
  2. Step 2: Convert to fraction form
    1,664.65/2,500.47 = 1,609.37/x
  3. Step 3: Cross multiply
    1,664.65x = 2,500.47 × 1,609.37
  4. Step 4: Simplify right side
    1,664.65x = 4,024,178.28
  5. Step 5: Solve for x
    x = 4,024,178.28/1,664.65
  6. Step 6: Final answer
    x = 2,417.43

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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.