Home / 3,089.78-4,637.79-2,740.67

Finding the Fourth Proportional to 3,089.78, 4,637.79 and 2,740.67

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Solution

The fourth proportional to 3,089.78, 4,637.79 and 2,740.67 is: 4,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.78 : 4,637.79 = 2,740.67 : x
  2. Step 2: Convert to fraction form
    3,089.78/4,637.79 = 2,740.67/x
  3. Step 3: Cross multiply
    3,089.78x = 4,637.79 × 2,740.67
  4. Step 4: Simplify right side
    3,089.78x = 12,710,651.92
  5. Step 5: Solve for x
    x = 12,710,651.92/3,089.78
  6. Step 6: Final answer
    x = 4,113.77

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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.