Home / 3,720.49-5,580.59-1,529.17

Finding the Fourth Proportional to 3,720.49, 5,580.59 and 1,529.17

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Solution

The fourth proportional to 3,720.49, 5,580.59 and 1,529.17 is: 2,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.49 : 5,580.59 = 1,529.17 : x
  2. Step 2: Convert to fraction form
    3,720.49/5,580.59 = 1,529.17/x
  3. Step 3: Cross multiply
    3,720.49x = 5,580.59 × 1,529.17
  4. Step 4: Simplify right side
    3,720.49x = 8,533,670.81
  5. Step 5: Solve for x
    x = 8,533,670.81/3,720.49
  6. Step 6: Final answer
    x = 2,293.70

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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.