Home / 2,775.58-3,831.51-1,842.46

Finding the Fourth Proportional to 2,775.58, 3,831.51 and 1,842.46

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Solution

The fourth proportional to 2,775.58, 3,831.51 and 1,842.46 is: 2,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.58 : 3,831.51 = 1,842.46 : x
  2. Step 2: Convert to fraction form
    2,775.58/3,831.51 = 1,842.46/x
  3. Step 3: Cross multiply
    2,775.58x = 3,831.51 × 1,842.46
  4. Step 4: Simplify right side
    2,775.58x = 7,059,403.91
  5. Step 5: Solve for x
    x = 7,059,403.91/2,775.58
  6. Step 6: Final answer
    x = 2,543.40

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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.