Home / 1,435.51-2,136.29-1,383.67

Finding the Fourth Proportional to 1,435.51, 2,136.29 and 1,383.67

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Solution

The fourth proportional to 1,435.51, 2,136.29 and 1,383.67 is: 2,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.51 : 2,136.29 = 1,383.67 : x
  2. Step 2: Convert to fraction form
    1,435.51/2,136.29 = 1,383.67/x
  3. Step 3: Cross multiply
    1,435.51x = 2,136.29 × 1,383.67
  4. Step 4: Simplify right side
    1,435.51x = 2,955,920.38
  5. Step 5: Solve for x
    x = 2,955,920.38/1,435.51
  6. Step 6: Final answer
    x = 2,059.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.