Home / 1,715.67-2,573.51-849.78

Finding the Fourth Proportional to 1,715.67, 2,573.51 and 849.78

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Solution

The fourth proportional to 1,715.67, 2,573.51 and 849.78 is: 1,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.67 : 2,573.51 = 849.78 : x
  2. Step 2: Convert to fraction form
    1,715.67/2,573.51 = 849.78/x
  3. Step 3: Cross multiply
    1,715.67x = 2,573.51 × 849.78
  4. Step 4: Simplify right side
    1,715.67x = 2,186,913.08
  5. Step 5: Solve for x
    x = 2,186,913.08/1,715.67
  6. Step 6: Final answer
    x = 1,274.67

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1.5x scale

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.