Home / 1,753.40-2,412.24-1,704.80

Finding the Fourth Proportional to 1,753.40, 2,412.24 and 1,704.80

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Solution

The fourth proportional to 1,753.40, 2,412.24 and 1,704.80 is: 2,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.40 : 2,412.24 = 1,704.80 : x
  2. Step 2: Convert to fraction form
    1,753.40/2,412.24 = 1,704.80/x
  3. Step 3: Cross multiply
    1,753.40x = 2,412.24 × 1,704.80
  4. Step 4: Simplify right side
    1,753.40x = 4,112,386.75
  5. Step 5: Solve for x
    x = 4,112,386.75/1,753.40
  6. Step 6: Final answer
    x = 2,345.38

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1.5x scale

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.