Home / 2,746.07-4,118.08-990.60

Finding the Fourth Proportional to 2,746.07, 4,118.08 and 990.60

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Solution

The fourth proportional to 2,746.07, 4,118.08 and 990.60 is: 1,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.07 : 4,118.08 = 990.60 : x
  2. Step 2: Convert to fraction form
    2,746.07/4,118.08 = 990.60/x
  3. Step 3: Cross multiply
    2,746.07x = 4,118.08 × 990.60
  4. Step 4: Simplify right side
    2,746.07x = 4,079,370.05
  5. Step 5: Solve for x
    x = 4,079,370.05/2,746.07
  6. Step 6: Final answer
    x = 1,485.53

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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.