Home / 3,396.02-4,686.52-1,980.69

Finding the Fourth Proportional to 3,396.02, 4,686.52 and 1,980.69

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Solution

The fourth proportional to 3,396.02, 4,686.52 and 1,980.69 is: 2,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.02 : 4,686.52 = 1,980.69 : x
  2. Step 2: Convert to fraction form
    3,396.02/4,686.52 = 1,980.69/x
  3. Step 3: Cross multiply
    3,396.02x = 4,686.52 × 1,980.69
  4. Step 4: Simplify right side
    3,396.02x = 9,282,539.01
  5. Step 5: Solve for x
    x = 9,282,539.01/3,396.02
  6. Step 6: Final answer
    x = 2,733.36

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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.