Home / 1,466.40-2,023.68-836.70

Finding the Fourth Proportional to 1,466.40, 2,023.68 and 836.70

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Solution

The fourth proportional to 1,466.40, 2,023.68 and 836.70 is: 1,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.40 : 2,023.68 = 836.70 : x
  2. Step 2: Convert to fraction form
    1,466.40/2,023.68 = 836.70/x
  3. Step 3: Cross multiply
    1,466.40x = 2,023.68 × 836.70
  4. Step 4: Simplify right side
    1,466.40x = 1,693,213.06
  5. Step 5: Solve for x
    x = 1,693,213.06/1,466.40
  6. Step 6: Final answer
    x = 1,154.67

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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.