Home / 1,898.04-2,618.85-1,151.67

Finding the Fourth Proportional to 1,898.04, 2,618.85 and 1,151.67

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Solution

The fourth proportional to 1,898.04, 2,618.85 and 1,151.67 is: 1,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.04 : 2,618.85 = 1,151.67 : x
  2. Step 2: Convert to fraction form
    1,898.04/2,618.85 = 1,151.67/x
  3. Step 3: Cross multiply
    1,898.04x = 2,618.85 × 1,151.67
  4. Step 4: Simplify right side
    1,898.04x = 3,016,050.98
  5. Step 5: Solve for x
    x = 3,016,050.98/1,898.04
  6. Step 6: Final answer
    x = 1,589.03

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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.