Home / 2,476.76-3,418.01-1,357.70

Finding the Fourth Proportional to 2,476.76, 3,418.01 and 1,357.70

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Solution

The fourth proportional to 2,476.76, 3,418.01 and 1,357.70 is: 1,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.76 : 3,418.01 = 1,357.70 : x
  2. Step 2: Convert to fraction form
    2,476.76/3,418.01 = 1,357.70/x
  3. Step 3: Cross multiply
    2,476.76x = 3,418.01 × 1,357.70
  4. Step 4: Simplify right side
    2,476.76x = 4,640,632.18
  5. Step 5: Solve for x
    x = 4,640,632.18/2,476.76
  6. Step 6: Final answer
    x = 1,873.67

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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.