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Finding the Fourth Proportional to 1,464.66, 2,021.04 and 875.07

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Solution

The fourth proportional to 1,464.66, 2,021.04 and 875.07 is: 1,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.66 : 2,021.04 = 875.07 : x
  2. Step 2: Convert to fraction form
    1,464.66/2,021.04 = 875.07/x
  3. Step 3: Cross multiply
    1,464.66x = 2,021.04 × 875.07
  4. Step 4: Simplify right side
    1,464.66x = 1,768,551.47
  5. Step 5: Solve for x
    x = 1,768,551.47/1,464.66
  6. Step 6: Final answer
    x = 1,207.48

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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.