Home / 2,840.16-4,256.46-1,606.80

Finding the Fourth Proportional to 2,840.16, 4,256.46 and 1,606.80

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Solution

The fourth proportional to 2,840.16, 4,256.46 and 1,606.80 is: 2,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.16 : 4,256.46 = 1,606.80 : x
  2. Step 2: Convert to fraction form
    2,840.16/4,256.46 = 1,606.80/x
  3. Step 3: Cross multiply
    2,840.16x = 4,256.46 × 1,606.80
  4. Step 4: Simplify right side
    2,840.16x = 6,839,279.93
  5. Step 5: Solve for x
    x = 6,839,279.93/2,840.16
  6. Step 6: Final answer
    x = 2,408.06

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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.