Home / 3,345.57-4,613.90-2,715.93

Finding the Fourth Proportional to 3,345.57, 4,613.90 and 2,715.93

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Solution

The fourth proportional to 3,345.57, 4,613.90 and 2,715.93 is: 3,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.57 : 4,613.90 = 2,715.93 : x
  2. Step 2: Convert to fraction form
    3,345.57/4,613.90 = 2,715.93/x
  3. Step 3: Cross multiply
    3,345.57x = 4,613.90 × 2,715.93
  4. Step 4: Simplify right side
    3,345.57x = 12,531,015.85
  5. Step 5: Solve for x
    x = 12,531,015.85/3,345.57
  6. Step 6: Final answer
    x = 3,745.55

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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.