Home / 1,897.17-2,616.81-1,648.06

Finding the Fourth Proportional to 1,897.17, 2,616.81 and 1,648.06

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Solution

The fourth proportional to 1,897.17, 2,616.81 and 1,648.06 is: 2,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.17 : 2,616.81 = 1,648.06 : x
  2. Step 2: Convert to fraction form
    1,897.17/2,616.81 = 1,648.06/x
  3. Step 3: Cross multiply
    1,897.17x = 2,616.81 × 1,648.06
  4. Step 4: Simplify right side
    1,897.17x = 4,312,653.35
  5. Step 5: Solve for x
    x = 4,312,653.35/1,897.17
  6. Step 6: Final answer
    x = 2,273.20

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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.