Home / 3,513.28-5,268.08-1,756.40

Finding the Fourth Proportional to 3,513.28, 5,268.08 and 1,756.40

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Solution

The fourth proportional to 3,513.28, 5,268.08 and 1,756.40 is: 2,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.28 : 5,268.08 = 1,756.40 : x
  2. Step 2: Convert to fraction form
    3,513.28/5,268.08 = 1,756.40/x
  3. Step 3: Cross multiply
    3,513.28x = 5,268.08 × 1,756.40
  4. Step 4: Simplify right side
    3,513.28x = 9,252,855.71
  5. Step 5: Solve for x
    x = 9,252,855.71/3,513.28
  6. Step 6: Final answer
    x = 2,633.68

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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.