Home / 2,726.17-4,089.29-1,430.17

Finding the Fourth Proportional to 2,726.17, 4,089.29 and 1,430.17

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Solution

The fourth proportional to 2,726.17, 4,089.29 and 1,430.17 is: 2,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.17 : 4,089.29 = 1,430.17 : x
  2. Step 2: Convert to fraction form
    2,726.17/4,089.29 = 1,430.17/x
  3. Step 3: Cross multiply
    2,726.17x = 4,089.29 × 1,430.17
  4. Step 4: Simplify right side
    2,726.17x = 5,848,379.88
  5. Step 5: Solve for x
    x = 5,848,379.88/2,726.17
  6. Step 6: Final answer
    x = 2,145.27

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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.