Home / 1,567.06-2,157.62-1,330.54

Finding the Fourth Proportional to 1,567.06, 2,157.62 and 1,330.54

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Solution

The fourth proportional to 1,567.06, 2,157.62 and 1,330.54 is: 1,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.06 : 2,157.62 = 1,330.54 : x
  2. Step 2: Convert to fraction form
    1,567.06/2,157.62 = 1,330.54/x
  3. Step 3: Cross multiply
    1,567.06x = 2,157.62 × 1,330.54
  4. Step 4: Simplify right side
    1,567.06x = 2,870,799.71
  5. Step 5: Solve for x
    x = 2,870,799.71/1,567.06
  6. Step 6: Final answer
    x = 1,831.97

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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.