Home / 3,255.04-4,490.40-2,135.52

Finding the Fourth Proportional to 3,255.04, 4,490.40 and 2,135.52

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Solution

The fourth proportional to 3,255.04, 4,490.40 and 2,135.52 is: 2,946.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.04 : 4,490.40 = 2,135.52 : x
  2. Step 2: Convert to fraction form
    3,255.04/4,490.40 = 2,135.52/x
  3. Step 3: Cross multiply
    3,255.04x = 4,490.40 × 2,135.52
  4. Step 4: Simplify right side
    3,255.04x = 9,589,339.01
  5. Step 5: Solve for x
    x = 9,589,339.01/3,255.04
  6. Step 6: Final answer
    x = 2,946.00

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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.