Home / 3,123.06-4,681.55-2,539.25

Finding the Fourth Proportional to 3,123.06, 4,681.55 and 2,539.25

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Solution

The fourth proportional to 3,123.06, 4,681.55 and 2,539.25 is: 3,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.06 : 4,681.55 = 2,539.25 : x
  2. Step 2: Convert to fraction form
    3,123.06/4,681.55 = 2,539.25/x
  3. Step 3: Cross multiply
    3,123.06x = 4,681.55 × 2,539.25
  4. Step 4: Simplify right side
    3,123.06x = 11,887,643.89
  5. Step 5: Solve for x
    x = 11,887,643.89/3,123.06
  6. Step 6: Final answer
    x = 3,806.41

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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.