Home / 2,391.98-3,590.99-2,281.19

Finding the Fourth Proportional to 2,391.98, 3,590.99 and 2,281.19

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Solution

The fourth proportional to 2,391.98, 3,590.99 and 2,281.19 is: 3,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.98 : 3,590.99 = 2,281.19 : x
  2. Step 2: Convert to fraction form
    2,391.98/3,590.99 = 2,281.19/x
  3. Step 3: Cross multiply
    2,391.98x = 3,590.99 × 2,281.19
  4. Step 4: Simplify right side
    2,391.98x = 8,191,730.48
  5. Step 5: Solve for x
    x = 8,191,730.48/2,391.98
  6. Step 6: Final answer
    x = 3,424.67

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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.