Home / 2,350.02-3,243-1,355.28

Finding the Fourth Proportional to 2,350.02, 3,243 and 1,355.28

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Solution

The fourth proportional to 2,350.02, 3,243 and 1,355.28 is: 1,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.02 : 3,243 = 1,355.28 : x
  2. Step 2: Convert to fraction form
    2,350.02/3,243 = 1,355.28/x
  3. Step 3: Cross multiply
    2,350.02x = 3,243 × 1,355.28
  4. Step 4: Simplify right side
    2,350.02x = 4,395,173.04
  5. Step 5: Solve for x
    x = 4,395,173.04/2,350.02
  6. Step 6: Final answer
    x = 1,870.27

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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.