Home / 3,118.24-4,677.64-1,038.26

Finding the Fourth Proportional to 3,118.24, 4,677.64 and 1,038.26

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Solution

The fourth proportional to 3,118.24, 4,677.64 and 1,038.26 is: 1,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.24 : 4,677.64 = 1,038.26 : x
  2. Step 2: Convert to fraction form
    3,118.24/4,677.64 = 1,038.26/x
  3. Step 3: Cross multiply
    3,118.24x = 4,677.64 × 1,038.26
  4. Step 4: Simplify right side
    3,118.24x = 4,856,615.60
  5. Step 5: Solve for x
    x = 4,856,615.60/3,118.24
  6. Step 6: Final answer
    x = 1,557.49

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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.