Home / 3,658.18-5,048.75-2,400.28

Finding the Fourth Proportional to 3,658.18, 5,048.75 and 2,400.28

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Solution

The fourth proportional to 3,658.18, 5,048.75 and 2,400.28 is: 3,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.18 : 5,048.75 = 2,400.28 : x
  2. Step 2: Convert to fraction form
    3,658.18/5,048.75 = 2,400.28/x
  3. Step 3: Cross multiply
    3,658.18x = 5,048.75 × 2,400.28
  4. Step 4: Simplify right side
    3,658.18x = 12,118,413.65
  5. Step 5: Solve for x
    x = 12,118,413.65/3,658.18
  6. Step 6: Final answer
    x = 3,312.69

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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.