Home / 2,928.01-4,041.36-2,455.15

Finding the Fourth Proportional to 2,928.01, 4,041.36 and 2,455.15

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Solution

The fourth proportional to 2,928.01, 4,041.36 and 2,455.15 is: 3,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.01 : 4,041.36 = 2,455.15 : x
  2. Step 2: Convert to fraction form
    2,928.01/4,041.36 = 2,455.15/x
  3. Step 3: Cross multiply
    2,928.01x = 4,041.36 × 2,455.15
  4. Step 4: Simplify right side
    2,928.01x = 9,922,134.90
  5. Step 5: Solve for x
    x = 9,922,134.90/2,928.01
  6. Step 6: Final answer
    x = 3,388.70

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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.