Home / 2,980.32-4,462.72-2,492.16

Finding the Fourth Proportional to 2,980.32, 4,462.72 and 2,492.16

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Solution

The fourth proportional to 2,980.32, 4,462.72 and 2,492.16 is: 3,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.32 : 4,462.72 = 2,492.16 : x
  2. Step 2: Convert to fraction form
    2,980.32/4,462.72 = 2,492.16/x
  3. Step 3: Cross multiply
    2,980.32x = 4,462.72 × 2,492.16
  4. Step 4: Simplify right side
    2,980.32x = 11,121,812.28
  5. Step 5: Solve for x
    x = 11,121,812.28/2,980.32
  6. Step 6: Final answer
    x = 3,731.75

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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.