Home / 3,177.32-4,762.64-1,716.08

Finding the Fourth Proportional to 3,177.32, 4,762.64 and 1,716.08

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Solution

The fourth proportional to 3,177.32, 4,762.64 and 1,716.08 is: 2,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.32 : 4,762.64 = 1,716.08 : x
  2. Step 2: Convert to fraction form
    3,177.32/4,762.64 = 1,716.08/x
  3. Step 3: Cross multiply
    3,177.32x = 4,762.64 × 1,716.08
  4. Step 4: Simplify right side
    3,177.32x = 8,173,071.25
  5. Step 5: Solve for x
    x = 8,173,071.25/3,177.32
  6. Step 6: Final answer
    x = 2,572.32

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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.