Home / 1,527.39-2,108.43-1,133.73

Finding the Fourth Proportional to 1,527.39, 2,108.43 and 1,133.73

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Solution

The fourth proportional to 1,527.39, 2,108.43 and 1,133.73 is: 1,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.39 : 2,108.43 = 1,133.73 : x
  2. Step 2: Convert to fraction form
    1,527.39/2,108.43 = 1,133.73/x
  3. Step 3: Cross multiply
    1,527.39x = 2,108.43 × 1,133.73
  4. Step 4: Simplify right side
    1,527.39x = 2,390,390.34
  5. Step 5: Solve for x
    x = 2,390,390.34/1,527.39
  6. Step 6: Final answer
    x = 1,565.02

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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.