Home / 2,423.37-3,341.70-1,918.41

Finding the Fourth Proportional to 2,423.37, 3,341.70 and 1,918.41

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Solution

The fourth proportional to 2,423.37, 3,341.70 and 1,918.41 is: 2,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.37 : 3,341.70 = 1,918.41 : x
  2. Step 2: Convert to fraction form
    2,423.37/3,341.70 = 1,918.41/x
  3. Step 3: Cross multiply
    2,423.37x = 3,341.70 × 1,918.41
  4. Step 4: Simplify right side
    2,423.37x = 6,410,750.70
  5. Step 5: Solve for x
    x = 6,410,750.70/2,423.37
  6. Step 6: Final answer
    x = 2,645.39

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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.