Home / 2,478.08-3,419.06-1,770.14

Finding the Fourth Proportional to 2,478.08, 3,419.06 and 1,770.14

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Solution

The fourth proportional to 2,478.08, 3,419.06 and 1,770.14 is: 2,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.08 : 3,419.06 = 1,770.14 : x
  2. Step 2: Convert to fraction form
    2,478.08/3,419.06 = 1,770.14/x
  3. Step 3: Cross multiply
    2,478.08x = 3,419.06 × 1,770.14
  4. Step 4: Simplify right side
    2,478.08x = 6,052,188.92
  5. Step 5: Solve for x
    x = 6,052,188.92/2,478.08
  6. Step 6: Final answer
    x = 2,442.29

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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.