Home / 4,940.37-7,410.56-1,980.16

Finding the Fourth Proportional to 4,940.37, 7,410.56 and 1,980.16

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Solution

The fourth proportional to 4,940.37, 7,410.56 and 1,980.16 is: 2,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.37 : 7,410.56 = 1,980.16 : x
  2. Step 2: Convert to fraction form
    4,940.37/7,410.56 = 1,980.16/x
  3. Step 3: Cross multiply
    4,940.37x = 7,410.56 × 1,980.16
  4. Step 4: Simplify right side
    4,940.37x = 14,674,066.06
  5. Step 5: Solve for x
    x = 14,674,066.06/4,940.37
  6. Step 6: Final answer
    x = 2,970.24

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Similar ratio
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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.