Home / 3,685.55-5,527.79-1,345.01

Finding the Fourth Proportional to 3,685.55, 5,527.79 and 1,345.01

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Solution

The fourth proportional to 3,685.55, 5,527.79 and 1,345.01 is: 2,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.55 : 5,527.79 = 1,345.01 : x
  2. Step 2: Convert to fraction form
    3,685.55/5,527.79 = 1,345.01/x
  3. Step 3: Cross multiply
    3,685.55x = 5,527.79 × 1,345.01
  4. Step 4: Simplify right side
    3,685.55x = 7,434,939.92
  5. Step 5: Solve for x
    x = 7,434,939.92/3,685.55
  6. Step 6: Final answer
    x = 2,017.32

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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.