Home / 3,005.28-4,143.11-2,590.05

Finding the Fourth Proportional to 3,005.28, 4,143.11 and 2,590.05

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Solution

The fourth proportional to 3,005.28, 4,143.11 and 2,590.05 is: 3,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.28 : 4,143.11 = 2,590.05 : x
  2. Step 2: Convert to fraction form
    3,005.28/4,143.11 = 2,590.05/x
  3. Step 3: Cross multiply
    3,005.28x = 4,143.11 × 2,590.05
  4. Step 4: Simplify right side
    3,005.28x = 10,730,849.11
  5. Step 5: Solve for x
    x = 10,730,849.11/3,005.28
  6. Step 6: Final answer
    x = 3,570.67

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1.5x scale

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.