Home / 3,559.15-4,915.99-2,666.87

Finding the Fourth Proportional to 3,559.15, 4,915.99 and 2,666.87

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Solution

The fourth proportional to 3,559.15, 4,915.99 and 2,666.87 is: 3,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.15 : 4,915.99 = 2,666.87 : x
  2. Step 2: Convert to fraction form
    3,559.15/4,915.99 = 2,666.87/x
  3. Step 3: Cross multiply
    3,559.15x = 4,915.99 × 2,666.87
  4. Step 4: Simplify right side
    3,559.15x = 13,110,331.09
  5. Step 5: Solve for x
    x = 13,110,331.09/3,559.15
  6. Step 6: Final answer
    x = 3,683.55

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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.