Home / 1,495.13-2,063.75-1,215.15

Finding the Fourth Proportional to 1,495.13, 2,063.75 and 1,215.15

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Solution

The fourth proportional to 1,495.13, 2,063.75 and 1,215.15 is: 1,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.13 : 2,063.75 = 1,215.15 : x
  2. Step 2: Convert to fraction form
    1,495.13/2,063.75 = 1,215.15/x
  3. Step 3: Cross multiply
    1,495.13x = 2,063.75 × 1,215.15
  4. Step 4: Simplify right side
    1,495.13x = 2,507,773.86
  5. Step 5: Solve for x
    x = 2,507,773.86/1,495.13
  6. Step 6: Final answer
    x = 1,677.29

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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.