Home / 1,787.16-2,453.13-1,586.28

Finding the Fourth Proportional to 1,787.16, 2,453.13 and 1,586.28

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Solution

The fourth proportional to 1,787.16, 2,453.13 and 1,586.28 is: 2,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.16 : 2,453.13 = 1,586.28 : x
  2. Step 2: Convert to fraction form
    1,787.16/2,453.13 = 1,586.28/x
  3. Step 3: Cross multiply
    1,787.16x = 2,453.13 × 1,586.28
  4. Step 4: Simplify right side
    1,787.16x = 3,891,351.06
  5. Step 5: Solve for x
    x = 3,891,351.06/1,787.16
  6. Step 6: Final answer
    x = 2,177.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.