Home / 1,528.50-2,292.75-604.56

Finding the Fourth Proportional to 1,528.50, 2,292.75 and 604.56

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Solution

The fourth proportional to 1,528.50, 2,292.75 and 604.56 is: 906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.50 : 2,292.75 = 604.56 : x
  2. Step 2: Convert to fraction form
    1,528.50/2,292.75 = 604.56/x
  3. Step 3: Cross multiply
    1,528.50x = 2,292.75 × 604.56
  4. Step 4: Simplify right side
    1,528.50x = 1,386,104.94
  5. Step 5: Solve for x
    x = 1,386,104.94/1,528.50
  6. Step 6: Final answer
    x = 906.84

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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.