Home / 3,030.60-4,542.84-2,103.60

Finding the Fourth Proportional to 3,030.60, 4,542.84 and 2,103.60

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Solution

The fourth proportional to 3,030.60, 4,542.84 and 2,103.60 is: 3,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.60 : 4,542.84 = 2,103.60 : x
  2. Step 2: Convert to fraction form
    3,030.60/4,542.84 = 2,103.60/x
  3. Step 3: Cross multiply
    3,030.60x = 4,542.84 × 2,103.60
  4. Step 4: Simplify right side
    3,030.60x = 9,556,318.22
  5. Step 5: Solve for x
    x = 9,556,318.22/3,030.60
  6. Step 6: Final answer
    x = 3,153.28

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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.