Home / 2,397.74-3,308.58-1,402.79

Finding the Fourth Proportional to 2,397.74, 3,308.58 and 1,402.79

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Solution

The fourth proportional to 2,397.74, 3,308.58 and 1,402.79 is: 1,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.74 : 3,308.58 = 1,402.79 : x
  2. Step 2: Convert to fraction form
    2,397.74/3,308.58 = 1,402.79/x
  3. Step 3: Cross multiply
    2,397.74x = 3,308.58 × 1,402.79
  4. Step 4: Simplify right side
    2,397.74x = 4,641,226.40
  5. Step 5: Solve for x
    x = 4,641,226.40/2,397.74
  6. Step 6: Final answer
    x = 1,935.67

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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.