Home / 3,688.81-5,521.58-2,370.79

Finding the Fourth Proportional to 3,688.81, 5,521.58 and 2,370.79

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Solution

The fourth proportional to 3,688.81, 5,521.58 and 2,370.79 is: 3,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.81 : 5,521.58 = 2,370.79 : x
  2. Step 2: Convert to fraction form
    3,688.81/5,521.58 = 2,370.79/x
  3. Step 3: Cross multiply
    3,688.81x = 5,521.58 × 2,370.79
  4. Step 4: Simplify right side
    3,688.81x = 13,090,510.59
  5. Step 5: Solve for x
    x = 13,090,510.59/3,688.81
  6. Step 6: Final answer
    x = 3,548.71

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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.