Home / 2,208.89-3,045.95-1,648.47

Finding the Fourth Proportional to 2,208.89, 3,045.95 and 1,648.47

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Solution

The fourth proportional to 2,208.89, 3,045.95 and 1,648.47 is: 2,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.89 : 3,045.95 = 1,648.47 : x
  2. Step 2: Convert to fraction form
    2,208.89/3,045.95 = 1,648.47/x
  3. Step 3: Cross multiply
    2,208.89x = 3,045.95 × 1,648.47
  4. Step 4: Simplify right side
    2,208.89x = 5,021,148.95
  5. Step 5: Solve for x
    x = 5,021,148.95/2,208.89
  6. Step 6: Final answer
    x = 2,273.16

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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.