Home / 3,268.02-4,509.36-1,870.50

Finding the Fourth Proportional to 3,268.02, 4,509.36 and 1,870.50

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Solution

The fourth proportional to 3,268.02, 4,509.36 and 1,870.50 is: 2,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.02 : 4,509.36 = 1,870.50 : x
  2. Step 2: Convert to fraction form
    3,268.02/4,509.36 = 1,870.50/x
  3. Step 3: Cross multiply
    3,268.02x = 4,509.36 × 1,870.50
  4. Step 4: Simplify right side
    3,268.02x = 8,434,757.88
  5. Step 5: Solve for x
    x = 8,434,757.88/3,268.02
  6. Step 6: Final answer
    x = 2,581.00

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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.