Home / 1,916.34-2,875.64-1,794.86

Finding the Fourth Proportional to 1,916.34, 2,875.64 and 1,794.86

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Solution

The fourth proportional to 1,916.34, 2,875.64 and 1,794.86 is: 2,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.34 : 2,875.64 = 1,794.86 : x
  2. Step 2: Convert to fraction form
    1,916.34/2,875.64 = 1,794.86/x
  3. Step 3: Cross multiply
    1,916.34x = 2,875.64 × 1,794.86
  4. Step 4: Simplify right side
    1,916.34x = 5,161,347.86
  5. Step 5: Solve for x
    x = 5,161,347.86/1,916.34
  6. Step 6: Final answer
    x = 2,693.34

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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.