Home / 2,520.21-3,776.47-1,058.57

Finding the Fourth Proportional to 2,520.21, 3,776.47 and 1,058.57

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Solution

The fourth proportional to 2,520.21, 3,776.47 and 1,058.57 is: 1,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.21 : 3,776.47 = 1,058.57 : x
  2. Step 2: Convert to fraction form
    2,520.21/3,776.47 = 1,058.57/x
  3. Step 3: Cross multiply
    2,520.21x = 3,776.47 × 1,058.57
  4. Step 4: Simplify right side
    2,520.21x = 3,997,657.85
  5. Step 5: Solve for x
    x = 3,997,657.85/2,520.21
  6. Step 6: Final answer
    x = 1,586.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.