Home / 1,595.45-2,391.35-621.02

Finding the Fourth Proportional to 1,595.45, 2,391.35 and 621.02

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Solution

The fourth proportional to 1,595.45, 2,391.35 and 621.02 is: 930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.45 : 2,391.35 = 621.02 : x
  2. Step 2: Convert to fraction form
    1,595.45/2,391.35 = 621.02/x
  3. Step 3: Cross multiply
    1,595.45x = 2,391.35 × 621.02
  4. Step 4: Simplify right side
    1,595.45x = 1,485,079.05
  5. Step 5: Solve for x
    x = 1,485,079.05/1,595.45
  6. Step 6: Final answer
    x = 930.82

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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.