Home / 2,210.21-3,314.80-976.95

Finding the Fourth Proportional to 2,210.21, 3,314.80 and 976.95

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Solution

The fourth proportional to 2,210.21, 3,314.80 and 976.95 is: 1,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.21 : 3,314.80 = 976.95 : x
  2. Step 2: Convert to fraction form
    2,210.21/3,314.80 = 976.95/x
  3. Step 3: Cross multiply
    2,210.21x = 3,314.80 × 976.95
  4. Step 4: Simplify right side
    2,210.21x = 3,238,393.86
  5. Step 5: Solve for x
    x = 3,238,393.86/2,210.21
  6. Step 6: Final answer
    x = 1,465.20

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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.