Home / 3,462.10-4,778.76-2,045.68

Finding the Fourth Proportional to 3,462.10, 4,778.76 and 2,045.68

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Solution

The fourth proportional to 3,462.10, 4,778.76 and 2,045.68 is: 2,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.10 : 4,778.76 = 2,045.68 : x
  2. Step 2: Convert to fraction form
    3,462.10/4,778.76 = 2,045.68/x
  3. Step 3: Cross multiply
    3,462.10x = 4,778.76 × 2,045.68
  4. Step 4: Simplify right side
    3,462.10x = 9,775,813.76
  5. Step 5: Solve for x
    x = 9,775,813.76/3,462.10
  6. Step 6: Final answer
    x = 2,823.67

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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.