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Finding the Fourth Proportional to 3,038.08, 4,557.30 and 958.15

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Solution

The fourth proportional to 3,038.08, 4,557.30 and 958.15 is: 1,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.08 : 4,557.30 = 958.15 : x
  2. Step 2: Convert to fraction form
    3,038.08/4,557.30 = 958.15/x
  3. Step 3: Cross multiply
    3,038.08x = 4,557.30 × 958.15
  4. Step 4: Simplify right side
    3,038.08x = 4,366,577.00
  5. Step 5: Solve for x
    x = 4,366,577.00/3,038.08
  6. Step 6: Final answer
    x = 1,437.28

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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.