Home / 2,319.36-3,203.45-1,572.02

Finding the Fourth Proportional to 2,319.36, 3,203.45 and 1,572.02

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Solution

The fourth proportional to 2,319.36, 3,203.45 and 1,572.02 is: 2,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.36 : 3,203.45 = 1,572.02 : x
  2. Step 2: Convert to fraction form
    2,319.36/3,203.45 = 1,572.02/x
  3. Step 3: Cross multiply
    2,319.36x = 3,203.45 × 1,572.02
  4. Step 4: Simplify right side
    2,319.36x = 5,035,863.59
  5. Step 5: Solve for x
    x = 5,035,863.59/2,319.36
  6. Step 6: Final answer
    x = 2,171.23

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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.