Home / 2,492.21-3,439.16-1,373.14

Finding the Fourth Proportional to 2,492.21, 3,439.16 and 1,373.14

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Solution

The fourth proportional to 2,492.21, 3,439.16 and 1,373.14 is: 1,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.21 : 3,439.16 = 1,373.14 : x
  2. Step 2: Convert to fraction form
    2,492.21/3,439.16 = 1,373.14/x
  3. Step 3: Cross multiply
    2,492.21x = 3,439.16 × 1,373.14
  4. Step 4: Simplify right side
    2,492.21x = 4,722,458.47
  5. Step 5: Solve for x
    x = 4,722,458.47/2,492.21
  6. Step 6: Final answer
    x = 1,894.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.