Home / 1,346.54-2,021.13-1,116.91

Finding the Fourth Proportional to 1,346.54, 2,021.13 and 1,116.91

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Solution

The fourth proportional to 1,346.54, 2,021.13 and 1,116.91 is: 1,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.54 : 2,021.13 = 1,116.91 : x
  2. Step 2: Convert to fraction form
    1,346.54/2,021.13 = 1,116.91/x
  3. Step 3: Cross multiply
    1,346.54x = 2,021.13 × 1,116.91
  4. Step 4: Simplify right side
    1,346.54x = 2,257,415.26
  5. Step 5: Solve for x
    x = 2,257,415.26/1,346.54
  6. Step 6: Final answer
    x = 1,676.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.