Home / 2,127.83-3,203.03-1,515.77

Finding the Fourth Proportional to 2,127.83, 3,203.03 and 1,515.77

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Solution

The fourth proportional to 2,127.83, 3,203.03 and 1,515.77 is: 2,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.83 : 3,203.03 = 1,515.77 : x
  2. Step 2: Convert to fraction form
    2,127.83/3,203.03 = 1,515.77/x
  3. Step 3: Cross multiply
    2,127.83x = 3,203.03 × 1,515.77
  4. Step 4: Simplify right side
    2,127.83x = 4,855,033.19
  5. Step 5: Solve for x
    x = 4,855,033.19/2,127.83
  6. Step 6: Final answer
    x = 2,281.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.