Home / 2,331.78-3,492.38-1,807.58

Finding the Fourth Proportional to 2,331.78, 3,492.38 and 1,807.58

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Solution

The fourth proportional to 2,331.78, 3,492.38 and 1,807.58 is: 2,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.78 : 3,492.38 = 1,807.58 : x
  2. Step 2: Convert to fraction form
    2,331.78/3,492.38 = 1,807.58/x
  3. Step 3: Cross multiply
    2,331.78x = 3,492.38 × 1,807.58
  4. Step 4: Simplify right side
    2,331.78x = 6,312,756.24
  5. Step 5: Solve for x
    x = 6,312,756.24/2,331.78
  6. Step 6: Final answer
    x = 2,707.27

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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.