Home / 3,020.21-4,531.31-1,460.40

Finding the Fourth Proportional to 3,020.21, 4,531.31 and 1,460.40

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Solution

The fourth proportional to 3,020.21, 4,531.31 and 1,460.40 is: 2,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.21 : 4,531.31 = 1,460.40 : x
  2. Step 2: Convert to fraction form
    3,020.21/4,531.31 = 1,460.40/x
  3. Step 3: Cross multiply
    3,020.21x = 4,531.31 × 1,460.40
  4. Step 4: Simplify right side
    3,020.21x = 6,617,525.12
  5. Step 5: Solve for x
    x = 6,617,525.12/3,020.21
  6. Step 6: Final answer
    x = 2,191.08

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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.