Home / 3,624.85-5,439.71-1,316.35

Finding the Fourth Proportional to 3,624.85, 5,439.71 and 1,316.35

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Solution

The fourth proportional to 3,624.85, 5,439.71 and 1,316.35 is: 1,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.85 : 5,439.71 = 1,316.35 : x
  2. Step 2: Convert to fraction form
    3,624.85/5,439.71 = 1,316.35/x
  3. Step 3: Cross multiply
    3,624.85x = 5,439.71 × 1,316.35
  4. Step 4: Simplify right side
    3,624.85x = 7,160,542.08
  5. Step 5: Solve for x
    x = 7,160,542.08/3,624.85
  6. Step 6: Final answer
    x = 1,975.41

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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.