Home / 1,456.40-2,183.64-1,302.80

Finding the Fourth Proportional to 1,456.40, 2,183.64 and 1,302.80

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Solution

The fourth proportional to 1,456.40, 2,183.64 and 1,302.80 is: 1,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.40 : 2,183.64 = 1,302.80 : x
  2. Step 2: Convert to fraction form
    1,456.40/2,183.64 = 1,302.80/x
  3. Step 3: Cross multiply
    1,456.40x = 2,183.64 × 1,302.80
  4. Step 4: Simplify right side
    1,456.40x = 2,844,846.19
  5. Step 5: Solve for x
    x = 2,844,846.19/1,456.40
  6. Step 6: Final answer
    x = 1,953.34

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1.5x scale

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.