Home / 1,898.28-2,606.25-1,783.08

Finding the Fourth Proportional to 1,898.28, 2,606.25 and 1,783.08

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Solution

The fourth proportional to 1,898.28, 2,606.25 and 1,783.08 is: 2,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.28 : 2,606.25 = 1,783.08 : x
  2. Step 2: Convert to fraction form
    1,898.28/2,606.25 = 1,783.08/x
  3. Step 3: Cross multiply
    1,898.28x = 2,606.25 × 1,783.08
  4. Step 4: Simplify right side
    1,898.28x = 4,647,152.25
  5. Step 5: Solve for x
    x = 4,647,152.25/1,898.28
  6. Step 6: Final answer
    x = 2,448.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.