Home / 1,874.28-2,804.46-1,177.68

Finding the Fourth Proportional to 1,874.28, 2,804.46 and 1,177.68

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Solution

The fourth proportional to 1,874.28, 2,804.46 and 1,177.68 is: 1,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.28 : 2,804.46 = 1,177.68 : x
  2. Step 2: Convert to fraction form
    1,874.28/2,804.46 = 1,177.68/x
  3. Step 3: Cross multiply
    1,874.28x = 2,804.46 × 1,177.68
  4. Step 4: Simplify right side
    1,874.28x = 3,302,756.45
  5. Step 5: Solve for x
    x = 3,302,756.45/1,874.28
  6. Step 6: Final answer
    x = 1,762.15

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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.