Home / 3,345.86-4,616.63-1,928.98

Finding the Fourth Proportional to 3,345.86, 4,616.63 and 1,928.98

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Solution

The fourth proportional to 3,345.86, 4,616.63 and 1,928.98 is: 2,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.86 : 4,616.63 = 1,928.98 : x
  2. Step 2: Convert to fraction form
    3,345.86/4,616.63 = 1,928.98/x
  3. Step 3: Cross multiply
    3,345.86x = 4,616.63 × 1,928.98
  4. Step 4: Simplify right side
    3,345.86x = 8,905,386.94
  5. Step 5: Solve for x
    x = 8,905,386.94/3,345.86
  6. Step 6: Final answer
    x = 2,661.61

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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.