Home / 2,428.04-3,642.10-696.67

Finding the Fourth Proportional to 2,428.04, 3,642.10 and 696.67

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Solution

The fourth proportional to 2,428.04, 3,642.10 and 696.67 is: 1,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.04 : 3,642.10 = 696.67 : x
  2. Step 2: Convert to fraction form
    2,428.04/3,642.10 = 696.67/x
  3. Step 3: Cross multiply
    2,428.04x = 3,642.10 × 696.67
  4. Step 4: Simplify right side
    2,428.04x = 2,537,330.96
  5. Step 5: Solve for x
    x = 2,537,330.96/2,428.04
  6. Step 6: Final answer
    x = 1,045.01

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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.