Home / 3,612.06-5,418.81-1,303.74

Finding the Fourth Proportional to 3,612.06, 5,418.81 and 1,303.74

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Solution

The fourth proportional to 3,612.06, 5,418.81 and 1,303.74 is: 1,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.06 : 5,418.81 = 1,303.74 : x
  2. Step 2: Convert to fraction form
    3,612.06/5,418.81 = 1,303.74/x
  3. Step 3: Cross multiply
    3,612.06x = 5,418.81 × 1,303.74
  4. Step 4: Simplify right side
    3,612.06x = 7,064,719.35
  5. Step 5: Solve for x
    x = 7,064,719.35/3,612.06
  6. Step 6: Final answer
    x = 1,955.87

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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.