Home / 2,928.28-4,041.75-1,750.05

Finding the Fourth Proportional to 2,928.28, 4,041.75 and 1,750.05

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Solution

The fourth proportional to 2,928.28, 4,041.75 and 1,750.05 is: 2,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.28 : 4,041.75 = 1,750.05 : x
  2. Step 2: Convert to fraction form
    2,928.28/4,041.75 = 1,750.05/x
  3. Step 3: Cross multiply
    2,928.28x = 4,041.75 × 1,750.05
  4. Step 4: Simplify right side
    2,928.28x = 7,073,264.59
  5. Step 5: Solve for x
    x = 7,073,264.59/2,928.28
  6. Step 6: Final answer
    x = 2,415.50

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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.