Home / 3,360.78-4,639.14-2,417.94

Finding the Fourth Proportional to 3,360.78, 4,639.14 and 2,417.94

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Solution

The fourth proportional to 3,360.78, 4,639.14 and 2,417.94 is: 3,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.78 : 4,639.14 = 2,417.94 : x
  2. Step 2: Convert to fraction form
    3,360.78/4,639.14 = 2,417.94/x
  3. Step 3: Cross multiply
    3,360.78x = 4,639.14 × 2,417.94
  4. Step 4: Simplify right side
    3,360.78x = 11,217,162.17
  5. Step 5: Solve for x
    x = 11,217,162.17/3,360.78
  6. Step 6: Final answer
    x = 3,337.67

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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.