Home / 2,457.78-3,672.30-2,371.67

Finding the Fourth Proportional to 2,457.78, 3,672.30 and 2,371.67

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Solution

The fourth proportional to 2,457.78, 3,672.30 and 2,371.67 is: 3,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.78 : 3,672.30 = 2,371.67 : x
  2. Step 2: Convert to fraction form
    2,457.78/3,672.30 = 2,371.67/x
  3. Step 3: Cross multiply
    2,457.78x = 3,672.30 × 2,371.67
  4. Step 4: Simplify right side
    2,457.78x = 8,709,465.38
  5. Step 5: Solve for x
    x = 8,709,465.38/2,457.78
  6. Step 6: Final answer
    x = 3,543.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.