Home / 2,483.12-3,427.28-1,489.04

Finding the Fourth Proportional to 2,483.12, 3,427.28 and 1,489.04

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Solution

The fourth proportional to 2,483.12, 3,427.28 and 1,489.04 is: 2,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.12 : 3,427.28 = 1,489.04 : x
  2. Step 2: Convert to fraction form
    2,483.12/3,427.28 = 1,489.04/x
  3. Step 3: Cross multiply
    2,483.12x = 3,427.28 × 1,489.04
  4. Step 4: Simplify right side
    2,483.12x = 5,103,357.01
  5. Step 5: Solve for x
    x = 5,103,357.01/2,483.12
  6. Step 6: Final answer
    x = 2,055.22

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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.