Home / 1,699.50-2,349.24-1,418.10

Finding the Fourth Proportional to 1,699.50, 2,349.24 and 1,418.10

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Solution

The fourth proportional to 1,699.50, 2,349.24 and 1,418.10 is: 1,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.50 : 2,349.24 = 1,418.10 : x
  2. Step 2: Convert to fraction form
    1,699.50/2,349.24 = 1,418.10/x
  3. Step 3: Cross multiply
    1,699.50x = 2,349.24 × 1,418.10
  4. Step 4: Simplify right side
    1,699.50x = 3,331,457.24
  5. Step 5: Solve for x
    x = 3,331,457.24/1,699.50
  6. Step 6: Final answer
    x = 1,960.26

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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.