Home / 1,653.15-2,491.31-1,549.34

Finding the Fourth Proportional to 1,653.15, 2,491.31 and 1,549.34

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Solution

The fourth proportional to 1,653.15, 2,491.31 and 1,549.34 is: 2,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.15 : 2,491.31 = 1,549.34 : x
  2. Step 2: Convert to fraction form
    1,653.15/2,491.31 = 1,549.34/x
  3. Step 3: Cross multiply
    1,653.15x = 2,491.31 × 1,549.34
  4. Step 4: Simplify right side
    1,653.15x = 3,859,886.24
  5. Step 5: Solve for x
    x = 3,859,886.24/1,653.15
  6. Step 6: Final answer
    x = 2,334.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.