Home / 1,528.22-2,290.61-603.61

Finding the Fourth Proportional to 1,528.22, 2,290.61 and 603.61

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Solution

The fourth proportional to 1,528.22, 2,290.61 and 603.61 is: 904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.22 : 2,290.61 = 603.61 : x
  2. Step 2: Convert to fraction form
    1,528.22/2,290.61 = 603.61/x
  3. Step 3: Cross multiply
    1,528.22x = 2,290.61 × 603.61
  4. Step 4: Simplify right side
    1,528.22x = 1,382,630.88
  5. Step 5: Solve for x
    x = 1,382,630.88/1,528.22
  6. Step 6: Final answer
    x = 904.73

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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.