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Finding the Fourth Proportional to 1,698.01, 2,547.42 and 602.47

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Solution

The fourth proportional to 1,698.01, 2,547.42 and 602.47 is: 903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.01 : 2,547.42 = 602.47 : x
  2. Step 2: Convert to fraction form
    1,698.01/2,547.42 = 602.47/x
  3. Step 3: Cross multiply
    1,698.01x = 2,547.42 × 602.47
  4. Step 4: Simplify right side
    1,698.01x = 1,534,744.13
  5. Step 5: Solve for x
    x = 1,534,744.13/1,698.01
  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.