Home / 1,482.17-2,221.36-1,275.35

Finding the Fourth Proportional to 1,482.17, 2,221.36 and 1,275.35

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Solution

The fourth proportional to 1,482.17, 2,221.36 and 1,275.35 is: 1,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.17 : 2,221.36 = 1,275.35 : x
  2. Step 2: Convert to fraction form
    1,482.17/2,221.36 = 1,275.35/x
  3. Step 3: Cross multiply
    1,482.17x = 2,221.36 × 1,275.35
  4. Step 4: Simplify right side
    1,482.17x = 2,832,997.18
  5. Step 5: Solve for x
    x = 2,832,997.18/1,482.17
  6. Step 6: Final answer
    x = 1,911.39

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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.