Home / 1,528.49-2,292.31-591.22

Finding the Fourth Proportional to 1,528.49, 2,292.31 and 591.22

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Solution

The fourth proportional to 1,528.49, 2,292.31 and 591.22 is: 886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.49 : 2,292.31 = 591.22 : x
  2. Step 2: Convert to fraction form
    1,528.49/2,292.31 = 591.22/x
  3. Step 3: Cross multiply
    1,528.49x = 2,292.31 × 591.22
  4. Step 4: Simplify right side
    1,528.49x = 1,355,259.80
  5. Step 5: Solve for x
    x = 1,355,259.80/1,528.49
  6. Step 6: Final answer
    x = 886.66

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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.