Home / 2,580.93-3,868.02-1,116.99

Finding the Fourth Proportional to 2,580.93, 3,868.02 and 1,116.99

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Solution

The fourth proportional to 2,580.93, 3,868.02 and 1,116.99 is: 1,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.93 : 3,868.02 = 1,116.99 : x
  2. Step 2: Convert to fraction form
    2,580.93/3,868.02 = 1,116.99/x
  3. Step 3: Cross multiply
    2,580.93x = 3,868.02 × 1,116.99
  4. Step 4: Simplify right side
    2,580.93x = 4,320,539.66
  5. Step 5: Solve for x
    x = 4,320,539.66/2,580.93
  6. Step 6: Final answer
    x = 1,674.02

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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.