Home / 2,492.11-3,440.43-1,931.32

Finding the Fourth Proportional to 2,492.11, 3,440.43 and 1,931.32

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Solution

The fourth proportional to 2,492.11, 3,440.43 and 1,931.32 is: 2,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.11 : 3,440.43 = 1,931.32 : x
  2. Step 2: Convert to fraction form
    2,492.11/3,440.43 = 1,931.32/x
  3. Step 3: Cross multiply
    2,492.11x = 3,440.43 × 1,931.32
  4. Step 4: Simplify right side
    2,492.11x = 6,644,562.67
  5. Step 5: Solve for x
    x = 6,644,562.67/2,492.11
  6. Step 6: Final answer
    x = 2,666.24

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1.5x scale

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.