Home / 1,787.10-2,465.04-1,157.37

Finding the Fourth Proportional to 1,787.10, 2,465.04 and 1,157.37

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Solution

The fourth proportional to 1,787.10, 2,465.04 and 1,157.37 is: 1,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.10 : 2,465.04 = 1,157.37 : x
  2. Step 2: Convert to fraction form
    1,787.10/2,465.04 = 1,157.37/x
  3. Step 3: Cross multiply
    1,787.10x = 2,465.04 × 1,157.37
  4. Step 4: Simplify right side
    1,787.10x = 2,852,963.34
  5. Step 5: Solve for x
    x = 2,852,963.34/1,787.10
  6. Step 6: Final answer
    x = 1,596.42

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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.