Home / 1,953.17-2,924.88-1,220.52

Finding the Fourth Proportional to 1,953.17, 2,924.88 and 1,220.52

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Solution

The fourth proportional to 1,953.17, 2,924.88 and 1,220.52 is: 1,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.17 : 2,924.88 = 1,220.52 : x
  2. Step 2: Convert to fraction form
    1,953.17/2,924.88 = 1,220.52/x
  3. Step 3: Cross multiply
    1,953.17x = 2,924.88 × 1,220.52
  4. Step 4: Simplify right side
    1,953.17x = 3,569,874.54
  5. Step 5: Solve for x
    x = 3,569,874.54/1,953.17
  6. Step 6: Final answer
    x = 1,827.74

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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.