Home / 1,913.98-2,854.54-1,881.18

Finding the Fourth Proportional to 1,913.98, 2,854.54 and 1,881.18

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Solution

The fourth proportional to 1,913.98, 2,854.54 and 1,881.18 is: 2,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.98 : 2,854.54 = 1,881.18 : x
  2. Step 2: Convert to fraction form
    1,913.98/2,854.54 = 1,881.18/x
  3. Step 3: Cross multiply
    1,913.98x = 2,854.54 × 1,881.18
  4. Step 4: Simplify right side
    1,913.98x = 5,369,903.56
  5. Step 5: Solve for x
    x = 5,369,903.56/1,913.98
  6. Step 6: Final answer
    x = 2,805.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.