Home / 2,492.36-3,740.40-933.80

Finding the Fourth Proportional to 2,492.36, 3,740.40 and 933.80

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Solution

The fourth proportional to 2,492.36, 3,740.40 and 933.80 is: 1,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.36 : 3,740.40 = 933.80 : x
  2. Step 2: Convert to fraction form
    2,492.36/3,740.40 = 933.80/x
  3. Step 3: Cross multiply
    2,492.36x = 3,740.40 × 933.80
  4. Step 4: Simplify right side
    2,492.36x = 3,492,785.52
  5. Step 5: Solve for x
    x = 3,492,785.52/2,492.36
  6. Step 6: Final answer
    x = 1,401.40

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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.