Home / 2,447.52-3,378.12-1,740.40

Finding the Fourth Proportional to 2,447.52, 3,378.12 and 1,740.40

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Solution

The fourth proportional to 2,447.52, 3,378.12 and 1,740.40 is: 2,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.52 : 3,378.12 = 1,740.40 : x
  2. Step 2: Convert to fraction form
    2,447.52/3,378.12 = 1,740.40/x
  3. Step 3: Cross multiply
    2,447.52x = 3,378.12 × 1,740.40
  4. Step 4: Simplify right side
    2,447.52x = 5,879,280.05
  5. Step 5: Solve for x
    x = 5,879,280.05/2,447.52
  6. Step 6: Final answer
    x = 2,402.14

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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.