Home / 3,246.40-4,480.32-1,830.07

Finding the Fourth Proportional to 3,246.40, 4,480.32 and 1,830.07

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Solution

The fourth proportional to 3,246.40, 4,480.32 and 1,830.07 is: 2,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.40 : 4,480.32 = 1,830.07 : x
  2. Step 2: Convert to fraction form
    3,246.40/4,480.32 = 1,830.07/x
  3. Step 3: Cross multiply
    3,246.40x = 4,480.32 × 1,830.07
  4. Step 4: Simplify right side
    3,246.40x = 8,199,299.22
  5. Step 5: Solve for x
    x = 8,199,299.22/3,246.40
  6. Step 6: Final answer
    x = 2,525.66

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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.