Home / 1,698.48-2,342.61-1,101.06

Finding the Fourth Proportional to 1,698.48, 2,342.61 and 1,101.06

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Solution

The fourth proportional to 1,698.48, 2,342.61 and 1,101.06 is: 1,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.48 : 2,342.61 = 1,101.06 : x
  2. Step 2: Convert to fraction form
    1,698.48/2,342.61 = 1,101.06/x
  3. Step 3: Cross multiply
    1,698.48x = 2,342.61 × 1,101.06
  4. Step 4: Simplify right side
    1,698.48x = 2,579,354.17
  5. Step 5: Solve for x
    x = 2,579,354.17/1,698.48
  6. Step 6: Final answer
    x = 1,518.62

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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.