Home / 4,890.96-7,338.24-1,970.10

Finding the Fourth Proportional to 4,890.96, 7,338.24 and 1,970.10

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Solution

The fourth proportional to 4,890.96, 7,338.24 and 1,970.10 is: 2,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.96 : 7,338.24 = 1,970.10 : x
  2. Step 2: Convert to fraction form
    4,890.96/7,338.24 = 1,970.10/x
  3. Step 3: Cross multiply
    4,890.96x = 7,338.24 × 1,970.10
  4. Step 4: Simplify right side
    4,890.96x = 14,457,066.62
  5. Step 5: Solve for x
    x = 14,457,066.62/4,890.96
  6. Step 6: Final answer
    x = 2,955.88

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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.