Home / 3,407.35-4,702.44-1,915.63

Finding the Fourth Proportional to 3,407.35, 4,702.44 and 1,915.63

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Solution

The fourth proportional to 3,407.35, 4,702.44 and 1,915.63 is: 2,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.35 : 4,702.44 = 1,915.63 : x
  2. Step 2: Convert to fraction form
    3,407.35/4,702.44 = 1,915.63/x
  3. Step 3: Cross multiply
    3,407.35x = 4,702.44 × 1,915.63
  4. Step 4: Simplify right side
    3,407.35x = 9,008,123.38
  5. Step 5: Solve for x
    x = 9,008,123.38/3,407.35
  6. Step 6: Final answer
    x = 2,643.73

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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.