Home / 2,492.70-3,439.31-1,607.45

Finding the Fourth Proportional to 2,492.70, 3,439.31 and 1,607.45

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Solution

The fourth proportional to 2,492.70, 3,439.31 and 1,607.45 is: 2,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.70 : 3,439.31 = 1,607.45 : x
  2. Step 2: Convert to fraction form
    2,492.70/3,439.31 = 1,607.45/x
  3. Step 3: Cross multiply
    2,492.70x = 3,439.31 × 1,607.45
  4. Step 4: Simplify right side
    2,492.70x = 5,528,493.63
  5. Step 5: Solve for x
    x = 5,528,493.63/2,492.70
  6. Step 6: Final answer
    x = 2,217.87

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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.