Home / 2,845.02-4,272.16-1,756.31

Finding the Fourth Proportional to 2,845.02, 4,272.16 and 1,756.31

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Solution

The fourth proportional to 2,845.02, 4,272.16 and 1,756.31 is: 2,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.02 : 4,272.16 = 1,756.31 : x
  2. Step 2: Convert to fraction form
    2,845.02/4,272.16 = 1,756.31/x
  3. Step 3: Cross multiply
    2,845.02x = 4,272.16 × 1,756.31
  4. Step 4: Simplify right side
    2,845.02x = 7,503,215.97
  5. Step 5: Solve for x
    x = 7,503,215.97/2,845.02
  6. Step 6: Final answer
    x = 2,637.32

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1.5x scale

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.