Home / 1,870.56-2,802.36-1,252.44

Finding the Fourth Proportional to 1,870.56, 2,802.36 and 1,252.44

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Solution

The fourth proportional to 1,870.56, 2,802.36 and 1,252.44 is: 1,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.56 : 2,802.36 = 1,252.44 : x
  2. Step 2: Convert to fraction form
    1,870.56/2,802.36 = 1,252.44/x
  3. Step 3: Cross multiply
    1,870.56x = 2,802.36 × 1,252.44
  4. Step 4: Simplify right side
    1,870.56x = 3,509,787.76
  5. Step 5: Solve for x
    x = 3,509,787.76/1,870.56
  6. Step 6: Final answer
    x = 1,876.33

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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.