Home / 1,775.51-2,663.26-1,393.19

Finding the Fourth Proportional to 1,775.51, 2,663.26 and 1,393.19

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Solution

The fourth proportional to 1,775.51, 2,663.26 and 1,393.19 is: 2,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.51 : 2,663.26 = 1,393.19 : x
  2. Step 2: Convert to fraction form
    1,775.51/2,663.26 = 1,393.19/x
  3. Step 3: Cross multiply
    1,775.51x = 2,663.26 × 1,393.19
  4. Step 4: Simplify right side
    1,775.51x = 3,710,406.92
  5. Step 5: Solve for x
    x = 3,710,406.92/1,775.51
  6. Step 6: Final answer
    x = 2,089.78

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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.