Home / 2,511.48-3,465.94-1,880.90

Finding the Fourth Proportional to 2,511.48, 3,465.94 and 1,880.90

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Solution

The fourth proportional to 2,511.48, 3,465.94 and 1,880.90 is: 2,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.48 : 3,465.94 = 1,880.90 : x
  2. Step 2: Convert to fraction form
    2,511.48/3,465.94 = 1,880.90/x
  3. Step 3: Cross multiply
    2,511.48x = 3,465.94 × 1,880.90
  4. Step 4: Simplify right side
    2,511.48x = 6,519,071.29
  5. Step 5: Solve for x
    x = 6,519,071.29/2,511.48
  6. Step 6: Final answer
    x = 2,595.71

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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.