Home / 3,030.15-4,543.61-1,081.29

Finding the Fourth Proportional to 3,030.15, 4,543.61 and 1,081.29

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Solution

The fourth proportional to 3,030.15, 4,543.61 and 1,081.29 is: 1,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.15 : 4,543.61 = 1,081.29 : x
  2. Step 2: Convert to fraction form
    3,030.15/4,543.61 = 1,081.29/x
  3. Step 3: Cross multiply
    3,030.15x = 4,543.61 × 1,081.29
  4. Step 4: Simplify right side
    3,030.15x = 4,912,954.65
  5. Step 5: Solve for x
    x = 4,912,954.65/3,030.15
  6. Step 6: Final answer
    x = 1,621.36

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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.