Home / 1,546.55-2,319.95-621.98

Finding the Fourth Proportional to 1,546.55, 2,319.95 and 621.98

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Solution

The fourth proportional to 1,546.55, 2,319.95 and 621.98 is: 933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.55 : 2,319.95 = 621.98 : x
  2. Step 2: Convert to fraction form
    1,546.55/2,319.95 = 621.98/x
  3. Step 3: Cross multiply
    1,546.55x = 2,319.95 × 621.98
  4. Step 4: Simplify right side
    1,546.55x = 1,442,959.39
  5. Step 5: Solve for x
    x = 1,442,959.39/1,546.55
  6. Step 6: Final answer
    x = 933.02

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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.