Home / 2,681.40-4,032.90-2,400.60

Finding the Fourth Proportional to 2,681.40, 4,032.90 and 2,400.60

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Solution

The fourth proportional to 2,681.40, 4,032.90 and 2,400.60 is: 3,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.40 : 4,032.90 = 2,400.60 : x
  2. Step 2: Convert to fraction form
    2,681.40/4,032.90 = 2,400.60/x
  3. Step 3: Cross multiply
    2,681.40x = 4,032.90 × 2,400.60
  4. Step 4: Simplify right side
    2,681.40x = 9,681,379.74
  5. Step 5: Solve for x
    x = 9,681,379.74/2,681.40
  6. Step 6: Final answer
    x = 3,610.57

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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.