Home / 2,520.05-3,477.87-1,763.91

Finding the Fourth Proportional to 2,520.05, 3,477.87 and 1,763.91

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Solution

The fourth proportional to 2,520.05, 3,477.87 and 1,763.91 is: 2,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.05 : 3,477.87 = 1,763.91 : x
  2. Step 2: Convert to fraction form
    2,520.05/3,477.87 = 1,763.91/x
  3. Step 3: Cross multiply
    2,520.05x = 3,477.87 × 1,763.91
  4. Step 4: Simplify right side
    2,520.05x = 6,134,649.67
  5. Step 5: Solve for x
    x = 6,134,649.67/2,520.05
  6. Step 6: Final answer
    x = 2,434.34

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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.