Home / 1,161.37-1,592.30-1,140.58

Finding the Fourth Proportional to 1,161.37, 1,592.30 and 1,140.58

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Solution

The fourth proportional to 1,161.37, 1,592.30 and 1,140.58 is: 1,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.37 : 1,592.30 = 1,140.58 : x
  2. Step 2: Convert to fraction form
    1,161.37/1,592.30 = 1,140.58/x
  3. Step 3: Cross multiply
    1,161.37x = 1,592.30 × 1,140.58
  4. Step 4: Simplify right side
    1,161.37x = 1,816,145.53
  5. Step 5: Solve for x
    x = 1,816,145.53/1,161.37
  6. Step 6: Final answer
    x = 1,563.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.