Home / 2,619.10-3,928.14-975.73

Finding the Fourth Proportional to 2,619.10, 3,928.14 and 975.73

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Solution

The fourth proportional to 2,619.10, 3,928.14 and 975.73 is: 1,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.10 : 3,928.14 = 975.73 : x
  2. Step 2: Convert to fraction form
    2,619.10/3,928.14 = 975.73/x
  3. Step 3: Cross multiply
    2,619.10x = 3,928.14 × 975.73
  4. Step 4: Simplify right side
    2,619.10x = 3,832,804.04
  5. Step 5: Solve for x
    x = 3,832,804.04/2,619.10
  6. Step 6: Final answer
    x = 1,463.41

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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.