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Finding the Fourth Proportional to 3,038.51, 4,555.03 and 1,090.26

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Solution

The fourth proportional to 3,038.51, 4,555.03 and 1,090.26 is: 1,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.51 : 4,555.03 = 1,090.26 : x
  2. Step 2: Convert to fraction form
    3,038.51/4,555.03 = 1,090.26/x
  3. Step 3: Cross multiply
    3,038.51x = 4,555.03 × 1,090.26
  4. Step 4: Simplify right side
    3,038.51x = 4,966,138.78
  5. Step 5: Solve for x
    x = 4,966,138.78/3,038.51
  6. Step 6: Final answer
    x = 1,634.40

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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.