Home / 3,719.93-5,580.74-1,640.52

Finding the Fourth Proportional to 3,719.93, 5,580.74 and 1,640.52

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Solution

The fourth proportional to 3,719.93, 5,580.74 and 1,640.52 is: 2,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.93 : 5,580.74 = 1,640.52 : x
  2. Step 2: Convert to fraction form
    3,719.93/5,580.74 = 1,640.52/x
  3. Step 3: Cross multiply
    3,719.93x = 5,580.74 × 1,640.52
  4. Step 4: Simplify right side
    3,719.93x = 9,155,319.69
  5. Step 5: Solve for x
    x = 9,155,319.69/3,719.93
  6. Step 6: Final answer
    x = 2,461.16

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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.