Home / 1,527.07-2,106.96-1,327.58

Finding the Fourth Proportional to 1,527.07, 2,106.96 and 1,327.58

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Solution

The fourth proportional to 1,527.07, 2,106.96 and 1,327.58 is: 1,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.07 : 2,106.96 = 1,327.58 : x
  2. Step 2: Convert to fraction form
    1,527.07/2,106.96 = 1,327.58/x
  3. Step 3: Cross multiply
    1,527.07x = 2,106.96 × 1,327.58
  4. Step 4: Simplify right side
    1,527.07x = 2,797,157.96
  5. Step 5: Solve for x
    x = 2,797,157.96/1,527.07
  6. Step 6: Final answer
    x = 1,831.72

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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.