Home / 4,077.18-5,626.40-2,309.36

Finding the Fourth Proportional to 4,077.18, 5,626.40 and 2,309.36

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Solution

The fourth proportional to 4,077.18, 5,626.40 and 2,309.36 is: 3,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.18 : 5,626.40 = 2,309.36 : x
  2. Step 2: Convert to fraction form
    4,077.18/5,626.40 = 2,309.36/x
  3. Step 3: Cross multiply
    4,077.18x = 5,626.40 × 2,309.36
  4. Step 4: Simplify right side
    4,077.18x = 12,993,374.81
  5. Step 5: Solve for x
    x = 12,993,374.81/4,077.18
  6. Step 6: Final answer
    x = 3,186.85

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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.