Home / 1,408.72-2,099.26-1,362.28

Finding the Fourth Proportional to 1,408.72, 2,099.26 and 1,362.28

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Solution

The fourth proportional to 1,408.72, 2,099.26 and 1,362.28 is: 2,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.72 : 2,099.26 = 1,362.28 : x
  2. Step 2: Convert to fraction form
    1,408.72/2,099.26 = 1,362.28/x
  3. Step 3: Cross multiply
    1,408.72x = 2,099.26 × 1,362.28
  4. Step 4: Simplify right side
    1,408.72x = 2,859,779.91
  5. Step 5: Solve for x
    x = 2,859,779.91/1,408.72
  6. Step 6: Final answer
    x = 2,030.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.