Home / 1,734.36-2,601.18-810.35

Finding the Fourth Proportional to 1,734.36, 2,601.18 and 810.35

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Solution

The fourth proportional to 1,734.36, 2,601.18 and 810.35 is: 1,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.36 : 2,601.18 = 810.35 : x
  2. Step 2: Convert to fraction form
    1,734.36/2,601.18 = 810.35/x
  3. Step 3: Cross multiply
    1,734.36x = 2,601.18 × 810.35
  4. Step 4: Simplify right side
    1,734.36x = 2,107,877.59
  5. Step 5: Solve for x
    x = 2,107,877.59/1,734.36
  6. Step 6: Final answer
    x = 1,215.36

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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.