Home / 3,621.07-5,430.48-1,541.05

Finding the Fourth Proportional to 3,621.07, 5,430.48 and 1,541.05

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Solution

The fourth proportional to 3,621.07, 5,430.48 and 1,541.05 is: 2,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.07 : 5,430.48 = 1,541.05 : x
  2. Step 2: Convert to fraction form
    3,621.07/5,430.48 = 1,541.05/x
  3. Step 3: Cross multiply
    3,621.07x = 5,430.48 × 1,541.05
  4. Step 4: Simplify right side
    3,621.07x = 8,368,641.20
  5. Step 5: Solve for x
    x = 8,368,641.20/3,621.07
  6. Step 6: Final answer
    x = 2,311.10

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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.