Home / 2,460.95-3,396.40-1,399.04

Finding the Fourth Proportional to 2,460.95, 3,396.40 and 1,399.04

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Solution

The fourth proportional to 2,460.95, 3,396.40 and 1,399.04 is: 1,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.95 : 3,396.40 = 1,399.04 : x
  2. Step 2: Convert to fraction form
    2,460.95/3,396.40 = 1,399.04/x
  3. Step 3: Cross multiply
    2,460.95x = 3,396.40 × 1,399.04
  4. Step 4: Simplify right side
    2,460.95x = 4,751,699.46
  5. Step 5: Solve for x
    x = 4,751,699.46/2,460.95
  6. Step 6: Final answer
    x = 1,930.84

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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.