Home / 1,798.34-2,691.63-974.57

Finding the Fourth Proportional to 1,798.34, 2,691.63 and 974.57

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Solution

The fourth proportional to 1,798.34, 2,691.63 and 974.57 is: 1,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.34 : 2,691.63 = 974.57 : x
  2. Step 2: Convert to fraction form
    1,798.34/2,691.63 = 974.57/x
  3. Step 3: Cross multiply
    1,798.34x = 2,691.63 × 974.57
  4. Step 4: Simplify right side
    1,798.34x = 2,623,168.39
  5. Step 5: Solve for x
    x = 2,623,168.39/1,798.34
  6. Step 6: Final answer
    x = 1,458.67

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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.