Home / 1,916.40-2,873.64-1,050

Finding the Fourth Proportional to 1,916.40, 2,873.64 and 1,050

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Solution

The fourth proportional to 1,916.40, 2,873.64 and 1,050 is: 1,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.40 : 2,873.64 = 1,050 : x
  2. Step 2: Convert to fraction form
    1,916.40/2,873.64 = 1,050/x
  3. Step 3: Cross multiply
    1,916.40x = 2,873.64 × 1,050
  4. Step 4: Simplify right side
    1,916.40x = 3,017,322
  5. Step 5: Solve for x
    x = 3,017,322/1,916.40
  6. Step 6: Final answer
    x = 1,574.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.