Home / 2,484.40-3,428.43-1,365.38

Finding the Fourth Proportional to 2,484.40, 3,428.43 and 1,365.38

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Solution

The fourth proportional to 2,484.40, 3,428.43 and 1,365.38 is: 1,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.40 : 3,428.43 = 1,365.38 : x
  2. Step 2: Convert to fraction form
    2,484.40/3,428.43 = 1,365.38/x
  3. Step 3: Cross multiply
    2,484.40x = 3,428.43 × 1,365.38
  4. Step 4: Simplify right side
    2,484.40x = 4,681,109.99
  5. Step 5: Solve for x
    x = 4,681,109.99/2,484.40
  6. Step 6: Final answer
    x = 1,884.20

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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.