Home / 2,416.78-3,334.57-1,368.84

Finding the Fourth Proportional to 2,416.78, 3,334.57 and 1,368.84

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Solution

The fourth proportional to 2,416.78, 3,334.57 and 1,368.84 is: 1,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.78 : 3,334.57 = 1,368.84 : x
  2. Step 2: Convert to fraction form
    2,416.78/3,334.57 = 1,368.84/x
  3. Step 3: Cross multiply
    2,416.78x = 3,334.57 × 1,368.84
  4. Step 4: Simplify right side
    2,416.78x = 4,564,492.80
  5. Step 5: Solve for x
    x = 4,564,492.80/2,416.78
  6. Step 6: Final answer
    x = 1,888.67

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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.