Home / 3,038.39-4,555.14-1,189.16

Finding the Fourth Proportional to 3,038.39, 4,555.14 and 1,189.16

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Solution

The fourth proportional to 3,038.39, 4,555.14 and 1,189.16 is: 1,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.39 : 4,555.14 = 1,189.16 : x
  2. Step 2: Convert to fraction form
    3,038.39/4,555.14 = 1,189.16/x
  3. Step 3: Cross multiply
    3,038.39x = 4,555.14 × 1,189.16
  4. Step 4: Simplify right side
    3,038.39x = 5,416,767.51
  5. Step 5: Solve for x
    x = 5,416,767.51/3,038.39
  6. Step 6: Final answer
    x = 1,782.78

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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.