Home / 2,224.68-3,071.52-1,386.66

Finding the Fourth Proportional to 2,224.68, 3,071.52 and 1,386.66

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Solution

The fourth proportional to 2,224.68, 3,071.52 and 1,386.66 is: 1,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.68 : 3,071.52 = 1,386.66 : x
  2. Step 2: Convert to fraction form
    2,224.68/3,071.52 = 1,386.66/x
  3. Step 3: Cross multiply
    2,224.68x = 3,071.52 × 1,386.66
  4. Step 4: Simplify right side
    2,224.68x = 4,259,153.92
  5. Step 5: Solve for x
    x = 4,259,153.92/2,224.68
  6. Step 6: Final answer
    x = 1,914.50

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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.