Home / 2,210.49-3,315.60-977.54

Finding the Fourth Proportional to 2,210.49, 3,315.60 and 977.54

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Solution

The fourth proportional to 2,210.49, 3,315.60 and 977.54 is: 1,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.49 : 3,315.60 = 977.54 : x
  2. Step 2: Convert to fraction form
    2,210.49/3,315.60 = 977.54/x
  3. Step 3: Cross multiply
    2,210.49x = 3,315.60 × 977.54
  4. Step 4: Simplify right side
    2,210.49x = 3,241,115.05
  5. Step 5: Solve for x
    x = 3,241,115.05/2,210.49
  6. Step 6: Final answer
    x = 1,466.24

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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.