Home / 1,159.20-1,738.56-573.60

Finding the Fourth Proportional to 1,159.20, 1,738.56 and 573.60

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Solution

The fourth proportional to 1,159.20, 1,738.56 and 573.60 is: 860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.20 : 1,738.56 = 573.60 : x
  2. Step 2: Convert to fraction form
    1,159.20/1,738.56 = 573.60/x
  3. Step 3: Cross multiply
    1,159.20x = 1,738.56 × 573.60
  4. Step 4: Simplify right side
    1,159.20x = 997,238.02
  5. Step 5: Solve for x
    x = 997,238.02/1,159.20
  6. Step 6: Final answer
    x = 860.28

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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.