Home / 1,520.23-2,276.40-1,302.26

Finding the Fourth Proportional to 1,520.23, 2,276.40 and 1,302.26

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Solution

The fourth proportional to 1,520.23, 2,276.40 and 1,302.26 is: 1,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.23 : 2,276.40 = 1,302.26 : x
  2. Step 2: Convert to fraction form
    1,520.23/2,276.40 = 1,302.26/x
  3. Step 3: Cross multiply
    1,520.23x = 2,276.40 × 1,302.26
  4. Step 4: Simplify right side
    1,520.23x = 2,964,453.28
  5. Step 5: Solve for x
    x = 2,964,453.28/1,520.23
  6. Step 6: Final answer
    x = 1,950.01

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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.