Home / 2,520.19-3,477.92-1,457.98

Finding the Fourth Proportional to 2,520.19, 3,477.92 and 1,457.98

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Solution

The fourth proportional to 2,520.19, 3,477.92 and 1,457.98 is: 2,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.19 : 3,477.92 = 1,457.98 : x
  2. Step 2: Convert to fraction form
    2,520.19/3,477.92 = 1,457.98/x
  3. Step 3: Cross multiply
    2,520.19x = 3,477.92 × 1,457.98
  4. Step 4: Simplify right side
    2,520.19x = 5,070,713.12
  5. Step 5: Solve for x
    x = 5,070,713.12/2,520.19
  6. Step 6: Final answer
    x = 2,012.04

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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.