Home / 2,455.18-3,389.36-1,673.34

Finding the Fourth Proportional to 2,455.18, 3,389.36 and 1,673.34

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Solution

The fourth proportional to 2,455.18, 3,389.36 and 1,673.34 is: 2,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.18 : 3,389.36 = 1,673.34 : x
  2. Step 2: Convert to fraction form
    2,455.18/3,389.36 = 1,673.34/x
  3. Step 3: Cross multiply
    2,455.18x = 3,389.36 × 1,673.34
  4. Step 4: Simplify right side
    2,455.18x = 5,671,551.66
  5. Step 5: Solve for x
    x = 5,671,551.66/2,455.18
  6. Step 6: Final answer
    x = 2,310.03

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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.