Home / 2,840.58-4,260.38-1,085.13

Finding the Fourth Proportional to 2,840.58, 4,260.38 and 1,085.13

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Solution

The fourth proportional to 2,840.58, 4,260.38 and 1,085.13 is: 1,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.58 : 4,260.38 = 1,085.13 : x
  2. Step 2: Convert to fraction form
    2,840.58/4,260.38 = 1,085.13/x
  3. Step 3: Cross multiply
    2,840.58x = 4,260.38 × 1,085.13
  4. Step 4: Simplify right side
    2,840.58x = 4,623,060.72
  5. Step 5: Solve for x
    x = 4,623,060.72/2,840.58
  6. Step 6: Final answer
    x = 1,627.51

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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.