Home / 3,118.68-4,673.98-1,267.63

Finding the Fourth Proportional to 3,118.68, 4,673.98 and 1,267.63

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Solution

The fourth proportional to 3,118.68, 4,673.98 and 1,267.63 is: 1,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.68 : 4,673.98 = 1,267.63 : x
  2. Step 2: Convert to fraction form
    3,118.68/4,673.98 = 1,267.63/x
  3. Step 3: Cross multiply
    3,118.68x = 4,673.98 × 1,267.63
  4. Step 4: Simplify right side
    3,118.68x = 5,924,877.27
  5. Step 5: Solve for x
    x = 5,924,877.27/3,118.68
  6. Step 6: Final answer
    x = 1,899.80

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1.5x scale

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.