Home / 2,208.08-3,312.23-975.51

Finding the Fourth Proportional to 2,208.08, 3,312.23 and 975.51

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Solution

The fourth proportional to 2,208.08, 3,312.23 and 975.51 is: 1,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.08 : 3,312.23 = 975.51 : x
  2. Step 2: Convert to fraction form
    2,208.08/3,312.23 = 975.51/x
  3. Step 3: Cross multiply
    2,208.08x = 3,312.23 × 975.51
  4. Step 4: Simplify right side
    2,208.08x = 3,231,113.49
  5. Step 5: Solve for x
    x = 3,231,113.49/2,208.08
  6. Step 6: Final answer
    x = 1,463.31

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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.