Home / 1,857.20-2,784.81-1,244.84

Finding the Fourth Proportional to 1,857.20, 2,784.81 and 1,244.84

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Solution

The fourth proportional to 1,857.20, 2,784.81 and 1,244.84 is: 1,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.20 : 2,784.81 = 1,244.84 : x
  2. Step 2: Convert to fraction form
    1,857.20/2,784.81 = 1,244.84/x
  3. Step 3: Cross multiply
    1,857.20x = 2,784.81 × 1,244.84
  4. Step 4: Simplify right side
    1,857.20x = 3,466,642.88
  5. Step 5: Solve for x
    x = 3,466,642.88/1,857.20
  6. Step 6: Final answer
    x = 1,866.60

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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.