Home / 2,293.12-3,440.13-976.85

Finding the Fourth Proportional to 2,293.12, 3,440.13 and 976.85

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Solution

The fourth proportional to 2,293.12, 3,440.13 and 976.85 is: 1,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.12 : 3,440.13 = 976.85 : x
  2. Step 2: Convert to fraction form
    2,293.12/3,440.13 = 976.85/x
  3. Step 3: Cross multiply
    2,293.12x = 3,440.13 × 976.85
  4. Step 4: Simplify right side
    2,293.12x = 3,360,490.99
  5. Step 5: Solve for x
    x = 3,360,490.99/2,293.12
  6. Step 6: Final answer
    x = 1,465.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.