Home / 1,612.64-2,224.60-1,314.36

Finding the Fourth Proportional to 1,612.64, 2,224.60 and 1,314.36

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Solution

The fourth proportional to 1,612.64, 2,224.60 and 1,314.36 is: 1,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.64 : 2,224.60 = 1,314.36 : x
  2. Step 2: Convert to fraction form
    1,612.64/2,224.60 = 1,314.36/x
  3. Step 3: Cross multiply
    1,612.64x = 2,224.60 × 1,314.36
  4. Step 4: Simplify right side
    1,612.64x = 2,923,925.26
  5. Step 5: Solve for x
    x = 2,923,925.26/1,612.64
  6. Step 6: Final answer
    x = 1,813.13

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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.