Home / 2,386.02-3,579.35-825.60

Finding the Fourth Proportional to 2,386.02, 3,579.35 and 825.60

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Solution

The fourth proportional to 2,386.02, 3,579.35 and 825.60 is: 1,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.02 : 3,579.35 = 825.60 : x
  2. Step 2: Convert to fraction form
    2,386.02/3,579.35 = 825.60/x
  3. Step 3: Cross multiply
    2,386.02x = 3,579.35 × 825.60
  4. Step 4: Simplify right side
    2,386.02x = 2,955,111.36
  5. Step 5: Solve for x
    x = 2,955,111.36/2,386.02
  6. Step 6: Final answer
    x = 1,238.51

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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.