Home / 5,919.42-8,880.58-1,970.67

Finding the Fourth Proportional to 5,919.42, 8,880.58 and 1,970.67

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Solution

The fourth proportional to 5,919.42, 8,880.58 and 1,970.67 is: 2,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.42 : 8,880.58 = 1,970.67 : x
  2. Step 2: Convert to fraction form
    5,919.42/8,880.58 = 1,970.67/x
  3. Step 3: Cross multiply
    5,919.42x = 8,880.58 × 1,970.67
  4. Step 4: Simplify right side
    5,919.42x = 17,500,728.35
  5. Step 5: Solve for x
    x = 17,500,728.35/5,919.42
  6. Step 6: Final answer
    x = 2,956.49

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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.