Home / 3,411.49-5,117.50-1,189.94

Finding the Fourth Proportional to 3,411.49, 5,117.50 and 1,189.94

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Solution

The fourth proportional to 3,411.49, 5,117.50 and 1,189.94 is: 1,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.49 : 5,117.50 = 1,189.94 : x
  2. Step 2: Convert to fraction form
    3,411.49/5,117.50 = 1,189.94/x
  3. Step 3: Cross multiply
    3,411.49x = 5,117.50 × 1,189.94
  4. Step 4: Simplify right side
    3,411.49x = 6,089,525.98
  5. Step 5: Solve for x
    x = 6,089,525.98/3,411.49
  6. Step 6: Final answer
    x = 1,785.00

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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.