Home / 3,555.79-5,325.99-2,319.45

Finding the Fourth Proportional to 3,555.79, 5,325.99 and 2,319.45

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Solution

The fourth proportional to 3,555.79, 5,325.99 and 2,319.45 is: 3,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.79 : 5,325.99 = 2,319.45 : x
  2. Step 2: Convert to fraction form
    3,555.79/5,325.99 = 2,319.45/x
  3. Step 3: Cross multiply
    3,555.79x = 5,325.99 × 2,319.45
  4. Step 4: Simplify right side
    3,555.79x = 12,353,338.84
  5. Step 5: Solve for x
    x = 12,353,338.84/3,555.79
  6. Step 6: Final answer
    x = 3,474.15

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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.