Home / 3,065.51-4,229.49-1,806.67

Finding the Fourth Proportional to 3,065.51, 4,229.49 and 1,806.67

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Solution

The fourth proportional to 3,065.51, 4,229.49 and 1,806.67 is: 2,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.51 : 4,229.49 = 1,806.67 : x
  2. Step 2: Convert to fraction form
    3,065.51/4,229.49 = 1,806.67/x
  3. Step 3: Cross multiply
    3,065.51x = 4,229.49 × 1,806.67
  4. Step 4: Simplify right side
    3,065.51x = 7,641,271.55
  5. Step 5: Solve for x
    x = 7,641,271.55/3,065.51
  6. Step 6: Final answer
    x = 2,492.66

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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.