Home / 3,617.58-5,430.80-2,386.02

Finding the Fourth Proportional to 3,617.58, 5,430.80 and 2,386.02

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Solution

The fourth proportional to 3,617.58, 5,430.80 and 2,386.02 is: 3,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.58 : 5,430.80 = 2,386.02 : x
  2. Step 2: Convert to fraction form
    3,617.58/5,430.80 = 2,386.02/x
  3. Step 3: Cross multiply
    3,617.58x = 5,430.80 × 2,386.02
  4. Step 4: Simplify right side
    3,617.58x = 12,957,983.84
  5. Step 5: Solve for x
    x = 12,957,983.84/3,617.58
  6. Step 6: Final answer
    x = 3,581.95

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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.