Home / 1,612.40-2,225.64-1,471.44

Finding the Fourth Proportional to 1,612.40, 2,225.64 and 1,471.44

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Solution

The fourth proportional to 1,612.40, 2,225.64 and 1,471.44 is: 2,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.40 : 2,225.64 = 1,471.44 : x
  2. Step 2: Convert to fraction form
    1,612.40/2,225.64 = 1,471.44/x
  3. Step 3: Cross multiply
    1,612.40x = 2,225.64 × 1,471.44
  4. Step 4: Simplify right side
    1,612.40x = 3,274,895.72
  5. Step 5: Solve for x
    x = 3,274,895.72/1,612.40
  6. Step 6: Final answer
    x = 2,031.07

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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.