Home / 3,140.98-4,333.60-1,881.43

Finding the Fourth Proportional to 3,140.98, 4,333.60 and 1,881.43

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Solution

The fourth proportional to 3,140.98, 4,333.60 and 1,881.43 is: 2,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.98 : 4,333.60 = 1,881.43 : x
  2. Step 2: Convert to fraction form
    3,140.98/4,333.60 = 1,881.43/x
  3. Step 3: Cross multiply
    3,140.98x = 4,333.60 × 1,881.43
  4. Step 4: Simplify right side
    3,140.98x = 8,153,356.57
  5. Step 5: Solve for x
    x = 8,153,356.57/3,140.98
  6. Step 6: Final answer
    x = 2,595.80

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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.