Home / 1,648.53-2,453.96-1,623.93

Finding the Fourth Proportional to 1,648.53, 2,453.96 and 1,623.93

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Solution

The fourth proportional to 1,648.53, 2,453.96 and 1,623.93 is: 2,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.53 : 2,453.96 = 1,623.93 : x
  2. Step 2: Convert to fraction form
    1,648.53/2,453.96 = 1,623.93/x
  3. Step 3: Cross multiply
    1,648.53x = 2,453.96 × 1,623.93
  4. Step 4: Simplify right side
    1,648.53x = 3,985,054.12
  5. Step 5: Solve for x
    x = 3,985,054.12/1,648.53
  6. Step 6: Final answer
    x = 2,417.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.