Home / 3,077.32-4,247.60-1,751.76

Finding the Fourth Proportional to 3,077.32, 4,247.60 and 1,751.76

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Solution

The fourth proportional to 3,077.32, 4,247.60 and 1,751.76 is: 2,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.32 : 4,247.60 = 1,751.76 : x
  2. Step 2: Convert to fraction form
    3,077.32/4,247.60 = 1,751.76/x
  3. Step 3: Cross multiply
    3,077.32x = 4,247.60 × 1,751.76
  4. Step 4: Simplify right side
    3,077.32x = 7,440,775.78
  5. Step 5: Solve for x
    x = 7,440,775.78/3,077.32
  6. Step 6: Final answer
    x = 2,417.94

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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.