Home / 3,137.81-4,328.24-2,075.63

Finding the Fourth Proportional to 3,137.81, 4,328.24 and 2,075.63

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Solution

The fourth proportional to 3,137.81, 4,328.24 and 2,075.63 is: 2,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.81 : 4,328.24 = 2,075.63 : x
  2. Step 2: Convert to fraction form
    3,137.81/4,328.24 = 2,075.63/x
  3. Step 3: Cross multiply
    3,137.81x = 4,328.24 × 2,075.63
  4. Step 4: Simplify right side
    3,137.81x = 8,983,792.77
  5. Step 5: Solve for x
    x = 8,983,792.77/3,137.81
  6. Step 6: Final answer
    x = 2,863.08

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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.