Home / 1,857.73-2,564.05-1,071.67

Finding the Fourth Proportional to 1,857.73, 2,564.05 and 1,071.67

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Solution

The fourth proportional to 1,857.73, 2,564.05 and 1,071.67 is: 1,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.73 : 2,564.05 = 1,071.67 : x
  2. Step 2: Convert to fraction form
    1,857.73/2,564.05 = 1,071.67/x
  3. Step 3: Cross multiply
    1,857.73x = 2,564.05 × 1,071.67
  4. Step 4: Simplify right side
    1,857.73x = 2,747,810.11
  5. Step 5: Solve for x
    x = 2,747,810.11/1,857.73
  6. Step 6: Final answer
    x = 1,479.12

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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.