Home / 1,483.61-2,221.70-934.02

Finding the Fourth Proportional to 1,483.61, 2,221.70 and 934.02

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Solution

The fourth proportional to 1,483.61, 2,221.70 and 934.02 is: 1,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.61 : 2,221.70 = 934.02 : x
  2. Step 2: Convert to fraction form
    1,483.61/2,221.70 = 934.02/x
  3. Step 3: Cross multiply
    1,483.61x = 2,221.70 × 934.02
  4. Step 4: Simplify right side
    1,483.61x = 2,075,107.56
  5. Step 5: Solve for x
    x = 2,075,107.56/1,483.61
  6. Step 6: Final answer
    x = 1,398.69

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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.