Home / 2,492.02-3,438.99-1,372.93

Finding the Fourth Proportional to 2,492.02, 3,438.99 and 1,372.93

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Solution

The fourth proportional to 2,492.02, 3,438.99 and 1,372.93 is: 1,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.02 : 3,438.99 = 1,372.93 : x
  2. Step 2: Convert to fraction form
    2,492.02/3,438.99 = 1,372.93/x
  3. Step 3: Cross multiply
    2,492.02x = 3,438.99 × 1,372.93
  4. Step 4: Simplify right side
    2,492.02x = 4,721,492.54
  5. Step 5: Solve for x
    x = 4,721,492.54/2,492.02
  6. Step 6: Final answer
    x = 1,894.64

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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.