Home / 2,984.18-4,118.34-1,657.87

Finding the Fourth Proportional to 2,984.18, 4,118.34 and 1,657.87

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Solution

The fourth proportional to 2,984.18, 4,118.34 and 1,657.87 is: 2,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.18 : 4,118.34 = 1,657.87 : x
  2. Step 2: Convert to fraction form
    2,984.18/4,118.34 = 1,657.87/x
  3. Step 3: Cross multiply
    2,984.18x = 4,118.34 × 1,657.87
  4. Step 4: Simplify right side
    2,984.18x = 6,827,668.26
  5. Step 5: Solve for x
    x = 6,827,668.26/2,984.18
  6. Step 6: Final answer
    x = 2,287.96

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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.