Home / 1,582.14-2,183.40-883.50

Finding the Fourth Proportional to 1,582.14, 2,183.40 and 883.50

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Solution

The fourth proportional to 1,582.14, 2,183.40 and 883.50 is: 1,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.14 : 2,183.40 = 883.50 : x
  2. Step 2: Convert to fraction form
    1,582.14/2,183.40 = 883.50/x
  3. Step 3: Cross multiply
    1,582.14x = 2,183.40 × 883.50
  4. Step 4: Simplify right side
    1,582.14x = 1,929,033.90
  5. Step 5: Solve for x
    x = 1,929,033.90/1,582.14
  6. Step 6: Final answer
    x = 1,219.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.