Home / 1,386.18-1,911.64-1,032.97

Finding the Fourth Proportional to 1,386.18, 1,911.64 and 1,032.97

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Solution

The fourth proportional to 1,386.18, 1,911.64 and 1,032.97 is: 1,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386.18 : 1,911.64 = 1,032.97 : x
  2. Step 2: Convert to fraction form
    1,386.18/1,911.64 = 1,032.97/x
  3. Step 3: Cross multiply
    1,386.18x = 1,911.64 × 1,032.97
  4. Step 4: Simplify right side
    1,386.18x = 1,974,666.77
  5. Step 5: Solve for x
    x = 1,974,666.77/1,386.18
  6. Step 6: Final answer
    x = 1,424.54

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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.