Home / 3,038.40-4,561.20-3,016.80

Finding the Fourth Proportional to 3,038.40, 4,561.20 and 3,016.80

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Solution

The fourth proportional to 3,038.40, 4,561.20 and 3,016.80 is: 4,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.40 : 4,561.20 = 3,016.80 : x
  2. Step 2: Convert to fraction form
    3,038.40/4,561.20 = 3,016.80/x
  3. Step 3: Cross multiply
    3,038.40x = 4,561.20 × 3,016.80
  4. Step 4: Simplify right side
    3,038.40x = 13,760,228.16
  5. Step 5: Solve for x
    x = 13,760,228.16/3,038.40
  6. Step 6: Final answer
    x = 4,528.77

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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.