Home / 1,589.26-2,383.71-1,125.58

Finding the Fourth Proportional to 1,589.26, 2,383.71 and 1,125.58

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Solution

The fourth proportional to 1,589.26, 2,383.71 and 1,125.58 is: 1,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.26 : 2,383.71 = 1,125.58 : x
  2. Step 2: Convert to fraction form
    1,589.26/2,383.71 = 1,125.58/x
  3. Step 3: Cross multiply
    1,589.26x = 2,383.71 × 1,125.58
  4. Step 4: Simplify right side
    1,589.26x = 2,683,056.30
  5. Step 5: Solve for x
    x = 2,683,056.30/1,589.26
  6. Step 6: Final answer
    x = 1,688.24

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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.