Home / 2,975.42-4,465.90-1,515.67

Finding the Fourth Proportional to 2,975.42, 4,465.90 and 1,515.67

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Solution

The fourth proportional to 2,975.42, 4,465.90 and 1,515.67 is: 2,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.42 : 4,465.90 = 1,515.67 : x
  2. Step 2: Convert to fraction form
    2,975.42/4,465.90 = 1,515.67/x
  3. Step 3: Cross multiply
    2,975.42x = 4,465.90 × 1,515.67
  4. Step 4: Simplify right side
    2,975.42x = 6,768,830.65
  5. Step 5: Solve for x
    x = 6,768,830.65/2,975.42
  6. Step 6: Final answer
    x = 2,274.92

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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.