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Finding the Fourth Proportional to 1,698.11, 2,547.17 and 602.56

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Solution

The fourth proportional to 1,698.11, 2,547.17 and 602.56 is: 903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.11 : 2,547.17 = 602.56 : x
  2. Step 2: Convert to fraction form
    1,698.11/2,547.17 = 602.56/x
  3. Step 3: Cross multiply
    1,698.11x = 2,547.17 × 602.56
  4. Step 4: Simplify right side
    1,698.11x = 1,534,834.04
  5. Step 5: Solve for x
    x = 1,534,834.04/1,698.11
  6. Step 6: Final answer
    x = 903.85

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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.