Home / 2,427.44-3,638.79-1,547.19

Finding the Fourth Proportional to 2,427.44, 3,638.79 and 1,547.19

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Solution

The fourth proportional to 2,427.44, 3,638.79 and 1,547.19 is: 2,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.44 : 3,638.79 = 1,547.19 : x
  2. Step 2: Convert to fraction form
    2,427.44/3,638.79 = 1,547.19/x
  3. Step 3: Cross multiply
    2,427.44x = 3,638.79 × 1,547.19
  4. Step 4: Simplify right side
    2,427.44x = 5,629,899.50
  5. Step 5: Solve for x
    x = 5,629,899.50/2,427.44
  6. Step 6: Final answer
    x = 2,319.28

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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.