Home / 2,369.28-3,268.80-1,437.60

Finding the Fourth Proportional to 2,369.28, 3,268.80 and 1,437.60

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Solution

The fourth proportional to 2,369.28, 3,268.80 and 1,437.60 is: 1,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.28 : 3,268.80 = 1,437.60 : x
  2. Step 2: Convert to fraction form
    2,369.28/3,268.80 = 1,437.60/x
  3. Step 3: Cross multiply
    2,369.28x = 3,268.80 × 1,437.60
  4. Step 4: Simplify right side
    2,369.28x = 4,699,226.88
  5. Step 5: Solve for x
    x = 4,699,226.88/2,369.28
  6. Step 6: Final answer
    x = 1,983.40

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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.