Home / 1,601.90-2,406.45-1,558.70

Finding the Fourth Proportional to 1,601.90, 2,406.45 and 1,558.70

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Solution

The fourth proportional to 1,601.90, 2,406.45 and 1,558.70 is: 2,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.90 : 2,406.45 = 1,558.70 : x
  2. Step 2: Convert to fraction form
    1,601.90/2,406.45 = 1,558.70/x
  3. Step 3: Cross multiply
    1,601.90x = 2,406.45 × 1,558.70
  4. Step 4: Simplify right side
    1,601.90x = 3,750,933.62
  5. Step 5: Solve for x
    x = 3,750,933.62/1,601.90
  6. Step 6: Final answer
    x = 2,341.55

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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.