Home / 3,407.36-4,701.94-1,915.25

Finding the Fourth Proportional to 3,407.36, 4,701.94 and 1,915.25

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Solution

The fourth proportional to 3,407.36, 4,701.94 and 1,915.25 is: 2,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.36 : 4,701.94 = 1,915.25 : x
  2. Step 2: Convert to fraction form
    3,407.36/4,701.94 = 1,915.25/x
  3. Step 3: Cross multiply
    3,407.36x = 4,701.94 × 1,915.25
  4. Step 4: Simplify right side
    3,407.36x = 9,005,397.55
  5. Step 5: Solve for x
    x = 9,005,397.55/3,407.36
  6. Step 6: Final answer
    x = 2,642.93

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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.