Home / 2,962.95-4,088.97-1,915.02

Finding the Fourth Proportional to 2,962.95, 4,088.97 and 1,915.02

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Solution

The fourth proportional to 2,962.95, 4,088.97 and 1,915.02 is: 2,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.95 : 4,088.97 = 1,915.02 : x
  2. Step 2: Convert to fraction form
    2,962.95/4,088.97 = 1,915.02/x
  3. Step 3: Cross multiply
    2,962.95x = 4,088.97 × 1,915.02
  4. Step 4: Simplify right side
    2,962.95x = 7,830,459.33
  5. Step 5: Solve for x
    x = 7,830,459.33/2,962.95
  6. Step 6: Final answer
    x = 2,642.79

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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.