Home / 1,505.30-2,258.01-1,214.52

Finding the Fourth Proportional to 1,505.30, 2,258.01 and 1,214.52

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Solution

The fourth proportional to 1,505.30, 2,258.01 and 1,214.52 is: 1,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.30 : 2,258.01 = 1,214.52 : x
  2. Step 2: Convert to fraction form
    1,505.30/2,258.01 = 1,214.52/x
  3. Step 3: Cross multiply
    1,505.30x = 2,258.01 × 1,214.52
  4. Step 4: Simplify right side
    1,505.30x = 2,742,398.31
  5. Step 5: Solve for x
    x = 2,742,398.31/1,505.30
  6. Step 6: Final answer
    x = 1,821.83

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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.