Home / 2,840.16-4,259.26-1,085.66

Finding the Fourth Proportional to 2,840.16, 4,259.26 and 1,085.66

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Solution

The fourth proportional to 2,840.16, 4,259.26 and 1,085.66 is: 1,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.16 : 4,259.26 = 1,085.66 : x
  2. Step 2: Convert to fraction form
    2,840.16/4,259.26 = 1,085.66/x
  3. Step 3: Cross multiply
    2,840.16x = 4,259.26 × 1,085.66
  4. Step 4: Simplify right side
    2,840.16x = 4,624,108.21
  5. Step 5: Solve for x
    x = 4,624,108.21/2,840.16
  6. Step 6: Final answer
    x = 1,628.12

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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.