Home / 1,808.19-2,495.26-1,011.48

Finding the Fourth Proportional to 1,808.19, 2,495.26 and 1,011.48

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Solution

The fourth proportional to 1,808.19, 2,495.26 and 1,011.48 is: 1,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.19 : 2,495.26 = 1,011.48 : x
  2. Step 2: Convert to fraction form
    1,808.19/2,495.26 = 1,011.48/x
  3. Step 3: Cross multiply
    1,808.19x = 2,495.26 × 1,011.48
  4. Step 4: Simplify right side
    1,808.19x = 2,523,905.58
  5. Step 5: Solve for x
    x = 2,523,905.58/1,808.19
  6. Step 6: Final answer
    x = 1,395.82

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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.