Home / 1,637.33-2,258.85-1,007.67

Finding the Fourth Proportional to 1,637.33, 2,258.85 and 1,007.67

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Solution

The fourth proportional to 1,637.33, 2,258.85 and 1,007.67 is: 1,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.33 : 2,258.85 = 1,007.67 : x
  2. Step 2: Convert to fraction form
    1,637.33/2,258.85 = 1,007.67/x
  3. Step 3: Cross multiply
    1,637.33x = 2,258.85 × 1,007.67
  4. Step 4: Simplify right side
    1,637.33x = 2,276,165.17
  5. Step 5: Solve for x
    x = 2,276,165.17/1,637.33
  6. Step 6: Final answer
    x = 1,390.17

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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.