Home / 2,277.45-3,415.23-890.60

Finding the Fourth Proportional to 2,277.45, 3,415.23 and 890.60

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Solution

The fourth proportional to 2,277.45, 3,415.23 and 890.60 is: 1,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.45 : 3,415.23 = 890.60 : x
  2. Step 2: Convert to fraction form
    2,277.45/3,415.23 = 890.60/x
  3. Step 3: Cross multiply
    2,277.45x = 3,415.23 × 890.60
  4. Step 4: Simplify right side
    2,277.45x = 3,041,586.76
  5. Step 5: Solve for x
    x = 3,041,586.76/2,277.45
  6. Step 6: Final answer
    x = 1,335.52

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1.5x scale

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.