Home / 3,077.40-4,246.77-1,751.10

Finding the Fourth Proportional to 3,077.40, 4,246.77 and 1,751.10

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Solution

The fourth proportional to 3,077.40, 4,246.77 and 1,751.10 is: 2,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.40 : 4,246.77 = 1,751.10 : x
  2. Step 2: Convert to fraction form
    3,077.40/4,246.77 = 1,751.10/x
  3. Step 3: Cross multiply
    3,077.40x = 4,246.77 × 1,751.10
  4. Step 4: Simplify right side
    3,077.40x = 7,436,518.95
  5. Step 5: Solve for x
    x = 7,436,518.95/3,077.40
  6. Step 6: Final answer
    x = 2,416.49

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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.