Home / 3,021.40-4,530.58-1,461.49

Finding the Fourth Proportional to 3,021.40, 4,530.58 and 1,461.49

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Solution

The fourth proportional to 3,021.40, 4,530.58 and 1,461.49 is: 2,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.40 : 4,530.58 = 1,461.49 : x
  2. Step 2: Convert to fraction form
    3,021.40/4,530.58 = 1,461.49/x
  3. Step 3: Cross multiply
    3,021.40x = 4,530.58 × 1,461.49
  4. Step 4: Simplify right side
    3,021.40x = 6,621,416.09
  5. Step 5: Solve for x
    x = 6,621,416.09/3,021.40
  6. Step 6: Final answer
    x = 2,191.51

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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.