Home / 2,511.05-3,465.26-1,392.01

Finding the Fourth Proportional to 2,511.05, 3,465.26 and 1,392.01

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Solution

The fourth proportional to 2,511.05, 3,465.26 and 1,392.01 is: 1,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.05 : 3,465.26 = 1,392.01 : x
  2. Step 2: Convert to fraction form
    2,511.05/3,465.26 = 1,392.01/x
  3. Step 3: Cross multiply
    2,511.05x = 3,465.26 × 1,392.01
  4. Step 4: Simplify right side
    2,511.05x = 4,823,666.17
  5. Step 5: Solve for x
    x = 4,823,666.17/2,511.05
  6. Step 6: Final answer
    x = 1,920.98

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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.