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Finding the Fourth Proportional to 2,985.03, 4,479.02 and 1,342.77

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Solution

The fourth proportional to 2,985.03, 4,479.02 and 1,342.77 is: 2,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.03 : 4,479.02 = 1,342.77 : x
  2. Step 2: Convert to fraction form
    2,985.03/4,479.02 = 1,342.77/x
  3. Step 3: Cross multiply
    2,985.03x = 4,479.02 × 1,342.77
  4. Step 4: Simplify right side
    2,985.03x = 6,014,293.69
  5. Step 5: Solve for x
    x = 6,014,293.69/2,985.03
  6. Step 6: Final answer
    x = 2,014.82

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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.