Home / 2,600.16-3,589.44-1,970.80

Finding the Fourth Proportional to 2,600.16, 3,589.44 and 1,970.80

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Solution

The fourth proportional to 2,600.16, 3,589.44 and 1,970.80 is: 2,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.16 : 3,589.44 = 1,970.80 : x
  2. Step 2: Convert to fraction form
    2,600.16/3,589.44 = 1,970.80/x
  3. Step 3: Cross multiply
    2,600.16x = 3,589.44 × 1,970.80
  4. Step 4: Simplify right side
    2,600.16x = 7,074,068.35
  5. Step 5: Solve for x
    x = 7,074,068.35/2,600.16
  6. Step 6: Final answer
    x = 2,720.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.