Home / 3,336.90-4,603.06-2,078.16

Finding the Fourth Proportional to 3,336.90, 4,603.06 and 2,078.16

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Solution

The fourth proportional to 3,336.90, 4,603.06 and 2,078.16 is: 2,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.90 : 4,603.06 = 2,078.16 : x
  2. Step 2: Convert to fraction form
    3,336.90/4,603.06 = 2,078.16/x
  3. Step 3: Cross multiply
    3,336.90x = 4,603.06 × 2,078.16
  4. Step 4: Simplify right side
    3,336.90x = 9,565,895.17
  5. Step 5: Solve for x
    x = 9,565,895.17/3,336.90
  6. Step 6: Final answer
    x = 2,866.70

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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.