Home / 2,727.88-4,089.93-1,430.26

Finding the Fourth Proportional to 2,727.88, 4,089.93 and 1,430.26

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Solution

The fourth proportional to 2,727.88, 4,089.93 and 1,430.26 is: 2,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.88 : 4,089.93 = 1,430.26 : x
  2. Step 2: Convert to fraction form
    2,727.88/4,089.93 = 1,430.26/x
  3. Step 3: Cross multiply
    2,727.88x = 4,089.93 × 1,430.26
  4. Step 4: Simplify right side
    2,727.88x = 5,849,663.28
  5. Step 5: Solve for x
    x = 5,849,663.28/2,727.88
  6. Step 6: Final answer
    x = 2,144.40

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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.