Home / 1,433.79-2,148.66-1,260.05

Finding the Fourth Proportional to 1,433.79, 2,148.66 and 1,260.05

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Solution

The fourth proportional to 1,433.79, 2,148.66 and 1,260.05 is: 1,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.79 : 2,148.66 = 1,260.05 : x
  2. Step 2: Convert to fraction form
    1,433.79/2,148.66 = 1,260.05/x
  3. Step 3: Cross multiply
    1,433.79x = 2,148.66 × 1,260.05
  4. Step 4: Simplify right side
    1,433.79x = 2,707,408.29
  5. Step 5: Solve for x
    x = 2,707,408.29/1,433.79
  6. Step 6: Final answer
    x = 1,888.29

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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.