Home / 2,985.02-4,119.14-1,658.66

Finding the Fourth Proportional to 2,985.02, 4,119.14 and 1,658.66

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Solution

The fourth proportional to 2,985.02, 4,119.14 and 1,658.66 is: 2,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.02 : 4,119.14 = 1,658.66 : x
  2. Step 2: Convert to fraction form
    2,985.02/4,119.14 = 1,658.66/x
  3. Step 3: Cross multiply
    2,985.02x = 4,119.14 × 1,658.66
  4. Step 4: Simplify right side
    2,985.02x = 6,832,252.75
  5. Step 5: Solve for x
    x = 6,832,252.75/2,985.02
  6. Step 6: Final answer
    x = 2,288.85

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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.