Home / 2,837.67-3,915.64-1,578.41

Finding the Fourth Proportional to 2,837.67, 3,915.64 and 1,578.41

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Solution

The fourth proportional to 2,837.67, 3,915.64 and 1,578.41 is: 2,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.67 : 3,915.64 = 1,578.41 : x
  2. Step 2: Convert to fraction form
    2,837.67/3,915.64 = 1,578.41/x
  3. Step 3: Cross multiply
    2,837.67x = 3,915.64 × 1,578.41
  4. Step 4: Simplify right side
    2,837.67x = 6,180,461.81
  5. Step 5: Solve for x
    x = 6,180,461.81/2,837.67
  6. Step 6: Final answer
    x = 2,178.01

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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.