Home / 3,393.40-5,086.23-1,312.33

Finding the Fourth Proportional to 3,393.40, 5,086.23 and 1,312.33

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Solution

The fourth proportional to 3,393.40, 5,086.23 and 1,312.33 is: 1,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.40 : 5,086.23 = 1,312.33 : x
  2. Step 2: Convert to fraction form
    3,393.40/5,086.23 = 1,312.33/x
  3. Step 3: Cross multiply
    3,393.40x = 5,086.23 × 1,312.33
  4. Step 4: Simplify right side
    3,393.40x = 6,674,812.22
  5. Step 5: Solve for x
    x = 6,674,812.22/3,393.40
  6. Step 6: Final answer
    x = 1,967.00

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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.