Home / 3,083.63-4,263.51-2,945.93

Finding the Fourth Proportional to 3,083.63, 4,263.51 and 2,945.93

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Solution

The fourth proportional to 3,083.63, 4,263.51 and 2,945.93 is: 4,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.63 : 4,263.51 = 2,945.93 : x
  2. Step 2: Convert to fraction form
    3,083.63/4,263.51 = 2,945.93/x
  3. Step 3: Cross multiply
    3,083.63x = 4,263.51 × 2,945.93
  4. Step 4: Simplify right side
    3,083.63x = 12,559,980.70
  5. Step 5: Solve for x
    x = 12,559,980.70/3,083.63
  6. Step 6: Final answer
    x = 4,073.12

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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.