Home / 1,582.59-2,371.57-1,120.11

Finding the Fourth Proportional to 1,582.59, 2,371.57 and 1,120.11

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Solution

The fourth proportional to 1,582.59, 2,371.57 and 1,120.11 is: 1,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.59 : 2,371.57 = 1,120.11 : x
  2. Step 2: Convert to fraction form
    1,582.59/2,371.57 = 1,120.11/x
  3. Step 3: Cross multiply
    1,582.59x = 2,371.57 × 1,120.11
  4. Step 4: Simplify right side
    1,582.59x = 2,656,419.27
  5. Step 5: Solve for x
    x = 2,656,419.27/1,582.59
  6. Step 6: Final answer
    x = 1,678.53

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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.