Home / 2,480.58-3,423.06-1,485.63

Finding the Fourth Proportional to 2,480.58, 3,423.06 and 1,485.63

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Solution

The fourth proportional to 2,480.58, 3,423.06 and 1,485.63 is: 2,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.58 : 3,423.06 = 1,485.63 : x
  2. Step 2: Convert to fraction form
    2,480.58/3,423.06 = 1,485.63/x
  3. Step 3: Cross multiply
    2,480.58x = 3,423.06 × 1,485.63
  4. Step 4: Simplify right side
    2,480.58x = 5,085,400.63
  5. Step 5: Solve for x
    x = 5,085,400.63/2,480.58
  6. Step 6: Final answer
    x = 2,050.09

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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.