Home / 2,492.37-3,438.65-1,608.76

Finding the Fourth Proportional to 2,492.37, 3,438.65 and 1,608.76

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Solution

The fourth proportional to 2,492.37, 3,438.65 and 1,608.76 is: 2,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.37 : 3,438.65 = 1,608.76 : x
  2. Step 2: Convert to fraction form
    2,492.37/3,438.65 = 1,608.76/x
  3. Step 3: Cross multiply
    2,492.37x = 3,438.65 × 1,608.76
  4. Step 4: Simplify right side
    2,492.37x = 5,531,954.53
  5. Step 5: Solve for x
    x = 5,531,954.53/2,492.37
  6. Step 6: Final answer
    x = 2,219.56

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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.