Home / 2,215.23-3,053.73-1,418.46

Finding the Fourth Proportional to 2,215.23, 3,053.73 and 1,418.46

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Solution

The fourth proportional to 2,215.23, 3,053.73 and 1,418.46 is: 1,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.23 : 3,053.73 = 1,418.46 : x
  2. Step 2: Convert to fraction form
    2,215.23/3,053.73 = 1,418.46/x
  3. Step 3: Cross multiply
    2,215.23x = 3,053.73 × 1,418.46
  4. Step 4: Simplify right side
    2,215.23x = 4,331,593.86
  5. Step 5: Solve for x
    x = 4,331,593.86/2,215.23
  6. Step 6: Final answer
    x = 1,955.37

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1.5x scale

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.