Home / 2,528.15-3,488.67-1,583.90

Finding the Fourth Proportional to 2,528.15, 3,488.67 and 1,583.90

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Solution

The fourth proportional to 2,528.15, 3,488.67 and 1,583.90 is: 2,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.15 : 3,488.67 = 1,583.90 : x
  2. Step 2: Convert to fraction form
    2,528.15/3,488.67 = 1,583.90/x
  3. Step 3: Cross multiply
    2,528.15x = 3,488.67 × 1,583.90
  4. Step 4: Simplify right side
    2,528.15x = 5,525,700.05
  5. Step 5: Solve for x
    x = 5,525,700.05/2,528.15
  6. Step 6: Final answer
    x = 2,185.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.