Home / 3,118.02-4,298.67-2,266.44

Finding the Fourth Proportional to 3,118.02, 4,298.67 and 2,266.44

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Solution

The fourth proportional to 3,118.02, 4,298.67 and 2,266.44 is: 3,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.02 : 4,298.67 = 2,266.44 : x
  2. Step 2: Convert to fraction form
    3,118.02/4,298.67 = 2,266.44/x
  3. Step 3: Cross multiply
    3,118.02x = 4,298.67 × 2,266.44
  4. Step 4: Simplify right side
    3,118.02x = 9,742,677.63
  5. Step 5: Solve for x
    x = 9,742,677.63/3,118.02
  6. Step 6: Final answer
    x = 3,124.64

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1.5x scale

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.