Home / 3,331.63-4,597.76-1,915.58

Finding the Fourth Proportional to 3,331.63, 4,597.76 and 1,915.58

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Solution

The fourth proportional to 3,331.63, 4,597.76 and 1,915.58 is: 2,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.63 : 4,597.76 = 1,915.58 : x
  2. Step 2: Convert to fraction form
    3,331.63/4,597.76 = 1,915.58/x
  3. Step 3: Cross multiply
    3,331.63x = 4,597.76 × 1,915.58
  4. Step 4: Simplify right side
    3,331.63x = 8,807,377.10
  5. Step 5: Solve for x
    x = 8,807,377.10/3,331.63
  6. Step 6: Final answer
    x = 2,643.56

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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.