Home / 3,346.72-5,021.40-1,038.40

Finding the Fourth Proportional to 3,346.72, 5,021.40 and 1,038.40

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Solution

The fourth proportional to 3,346.72, 5,021.40 and 1,038.40 is: 1,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.72 : 5,021.40 = 1,038.40 : x
  2. Step 2: Convert to fraction form
    3,346.72/5,021.40 = 1,038.40/x
  3. Step 3: Cross multiply
    3,346.72x = 5,021.40 × 1,038.40
  4. Step 4: Simplify right side
    3,346.72x = 5,214,221.76
  5. Step 5: Solve for x
    x = 5,214,221.76/3,346.72
  6. Step 6: Final answer
    x = 1,558.01

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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.