Home / 2,915.36-4,370.02-1,270.52

Finding the Fourth Proportional to 2,915.36, 4,370.02 and 1,270.52

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Solution

The fourth proportional to 2,915.36, 4,370.02 and 1,270.52 is: 1,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.36 : 4,370.02 = 1,270.52 : x
  2. Step 2: Convert to fraction form
    2,915.36/4,370.02 = 1,270.52/x
  3. Step 3: Cross multiply
    2,915.36x = 4,370.02 × 1,270.52
  4. Step 4: Simplify right side
    2,915.36x = 5,552,197.81
  5. Step 5: Solve for x
    x = 5,552,197.81/2,915.36
  6. Step 6: Final answer
    x = 1,904.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.