Home / 2,908.56-4,003.74-2,530.20

Finding the Fourth Proportional to 2,908.56, 4,003.74 and 2,530.20

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Solution

The fourth proportional to 2,908.56, 4,003.74 and 2,530.20 is: 3,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.56 : 4,003.74 = 2,530.20 : x
  2. Step 2: Convert to fraction form
    2,908.56/4,003.74 = 2,530.20/x
  3. Step 3: Cross multiply
    2,908.56x = 4,003.74 × 2,530.20
  4. Step 4: Simplify right side
    2,908.56x = 10,130,262.95
  5. Step 5: Solve for x
    x = 10,130,262.95/2,908.56
  6. Step 6: Final answer
    x = 3,482.91

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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.