Home / 3,326.79-4,989.64-1,017.75

Finding the Fourth Proportional to 3,326.79, 4,989.64 and 1,017.75

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Solution

The fourth proportional to 3,326.79, 4,989.64 and 1,017.75 is: 1,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.79 : 4,989.64 = 1,017.75 : x
  2. Step 2: Convert to fraction form
    3,326.79/4,989.64 = 1,017.75/x
  3. Step 3: Cross multiply
    3,326.79x = 4,989.64 × 1,017.75
  4. Step 4: Simplify right side
    3,326.79x = 5,078,206.11
  5. Step 5: Solve for x
    x = 5,078,206.11/3,326.79
  6. Step 6: Final answer
    x = 1,526.46

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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.