Home / 2,875.37-3,968.77-1,697.23

Finding the Fourth Proportional to 2,875.37, 3,968.77 and 1,697.23

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Solution

The fourth proportional to 2,875.37, 3,968.77 and 1,697.23 is: 2,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.37 : 3,968.77 = 1,697.23 : x
  2. Step 2: Convert to fraction form
    2,875.37/3,968.77 = 1,697.23/x
  3. Step 3: Cross multiply
    2,875.37x = 3,968.77 × 1,697.23
  4. Step 4: Simplify right side
    2,875.37x = 6,735,915.51
  5. Step 5: Solve for x
    x = 6,735,915.51/2,875.37
  6. Step 6: Final answer
    x = 2,342.63

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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.