Home / 3,488.81-5,253.85-2,521.67

Finding the Fourth Proportional to 3,488.81, 5,253.85 and 2,521.67

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Solution

The fourth proportional to 3,488.81, 5,253.85 and 2,521.67 is: 3,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.81 : 5,253.85 = 2,521.67 : x
  2. Step 2: Convert to fraction form
    3,488.81/5,253.85 = 2,521.67/x
  3. Step 3: Cross multiply
    3,488.81x = 5,253.85 × 2,521.67
  4. Step 4: Simplify right side
    3,488.81x = 13,248,475.93
  5. Step 5: Solve for x
    x = 13,248,475.93/3,488.81
  6. Step 6: Final answer
    x = 3,797.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.