Home / 1,916.25-2,870.99-1,365.58

Finding the Fourth Proportional to 1,916.25, 2,870.99 and 1,365.58

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Solution

The fourth proportional to 1,916.25, 2,870.99 and 1,365.58 is: 2,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.25 : 2,870.99 = 1,365.58 : x
  2. Step 2: Convert to fraction form
    1,916.25/2,870.99 = 1,365.58/x
  3. Step 3: Cross multiply
    1,916.25x = 2,870.99 × 1,365.58
  4. Step 4: Simplify right side
    1,916.25x = 3,920,569.94
  5. Step 5: Solve for x
    x = 3,920,569.94/1,916.25
  6. Step 6: Final answer
    x = 2,045.96

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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.