Home / 2,038.82-2,813.48-1,154.60

Finding the Fourth Proportional to 2,038.82, 2,813.48 and 1,154.60

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Solution

The fourth proportional to 2,038.82, 2,813.48 and 1,154.60 is: 1,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.82 : 2,813.48 = 1,154.60 : x
  2. Step 2: Convert to fraction form
    2,038.82/2,813.48 = 1,154.60/x
  3. Step 3: Cross multiply
    2,038.82x = 2,813.48 × 1,154.60
  4. Step 4: Simplify right side
    2,038.82x = 3,248,449.60
  5. Step 5: Solve for x
    x = 3,248,449.60/2,038.82
  6. Step 6: Final answer
    x = 1,593.30

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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.