Home / 2,293.68-3,165.58-1,511.22

Finding the Fourth Proportional to 2,293.68, 3,165.58 and 1,511.22

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Solution

The fourth proportional to 2,293.68, 3,165.58 and 1,511.22 is: 2,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.68 : 3,165.58 = 1,511.22 : x
  2. Step 2: Convert to fraction form
    2,293.68/3,165.58 = 1,511.22/x
  3. Step 3: Cross multiply
    2,293.68x = 3,165.58 × 1,511.22
  4. Step 4: Simplify right side
    2,293.68x = 4,783,887.81
  5. Step 5: Solve for x
    x = 4,783,887.81/2,293.68
  6. Step 6: Final answer
    x = 2,085.68

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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.