Home / 3,535.76-5,306.28-1,316.64

Finding the Fourth Proportional to 3,535.76, 5,306.28 and 1,316.64

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Solution

The fourth proportional to 3,535.76, 5,306.28 and 1,316.64 is: 1,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.76 : 5,306.28 = 1,316.64 : x
  2. Step 2: Convert to fraction form
    3,535.76/5,306.28 = 1,316.64/x
  3. Step 3: Cross multiply
    3,535.76x = 5,306.28 × 1,316.64
  4. Step 4: Simplify right side
    3,535.76x = 6,986,460.50
  5. Step 5: Solve for x
    x = 6,986,460.50/3,535.76
  6. Step 6: Final answer
    x = 1,975.94

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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.