Home / 1,913.93-2,639.77-1,648.82

Finding the Fourth Proportional to 1,913.93, 2,639.77 and 1,648.82

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Solution

The fourth proportional to 1,913.93, 2,639.77 and 1,648.82 is: 2,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.93 : 2,639.77 = 1,648.82 : x
  2. Step 2: Convert to fraction form
    1,913.93/2,639.77 = 1,648.82/x
  3. Step 3: Cross multiply
    1,913.93x = 2,639.77 × 1,648.82
  4. Step 4: Simplify right side
    1,913.93x = 4,352,492.37
  5. Step 5: Solve for x
    x = 4,352,492.37/1,913.93
  6. Step 6: Final answer
    x = 2,274.12

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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.