Home / 3,465.21-4,782.54-2,206.82

Finding the Fourth Proportional to 3,465.21, 4,782.54 and 2,206.82

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Solution

The fourth proportional to 3,465.21, 4,782.54 and 2,206.82 is: 3,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.21 : 4,782.54 = 2,206.82 : x
  2. Step 2: Convert to fraction form
    3,465.21/4,782.54 = 2,206.82/x
  3. Step 3: Cross multiply
    3,465.21x = 4,782.54 × 2,206.82
  4. Step 4: Simplify right side
    3,465.21x = 10,554,193.08
  5. Step 5: Solve for x
    x = 10,554,193.08/3,465.21
  6. Step 6: Final answer
    x = 3,045.76

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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.