Home / 3,089.09-4,632.55-1,917.29

Finding the Fourth Proportional to 3,089.09, 4,632.55 and 1,917.29

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Solution

The fourth proportional to 3,089.09, 4,632.55 and 1,917.29 is: 2,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.09 : 4,632.55 = 1,917.29 : x
  2. Step 2: Convert to fraction form
    3,089.09/4,632.55 = 1,917.29/x
  3. Step 3: Cross multiply
    3,089.09x = 4,632.55 × 1,917.29
  4. Step 4: Simplify right side
    3,089.09x = 8,881,941.79
  5. Step 5: Solve for x
    x = 8,881,941.79/3,089.09
  6. Step 6: Final answer
    x = 2,875.26

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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.