Home / 2,511.37-3,465.62-1,392.29

Finding the Fourth Proportional to 2,511.37, 3,465.62 and 1,392.29

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Solution

The fourth proportional to 2,511.37, 3,465.62 and 1,392.29 is: 1,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.37 : 3,465.62 = 1,392.29 : x
  2. Step 2: Convert to fraction form
    2,511.37/3,465.62 = 1,392.29/x
  3. Step 3: Cross multiply
    2,511.37x = 3,465.62 × 1,392.29
  4. Step 4: Simplify right side
    2,511.37x = 4,825,130.74
  5. Step 5: Solve for x
    x = 4,825,130.74/2,511.37
  6. Step 6: Final answer
    x = 1,921.32

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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.