Home / 2,511.24-3,465.19-1,392.17

Finding the Fourth Proportional to 2,511.24, 3,465.19 and 1,392.17

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Solution

The fourth proportional to 2,511.24, 3,465.19 and 1,392.17 is: 1,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.24 : 3,465.19 = 1,392.17 : x
  2. Step 2: Convert to fraction form
    2,511.24/3,465.19 = 1,392.17/x
  3. Step 3: Cross multiply
    2,511.24x = 3,465.19 × 1,392.17
  4. Step 4: Simplify right side
    2,511.24x = 4,824,132.71
  5. Step 5: Solve for x
    x = 4,824,132.71/2,511.24
  6. Step 6: Final answer
    x = 1,921.02

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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.