Home / 1,412.32-2,104.39-1,349.45

Finding the Fourth Proportional to 1,412.32, 2,104.39 and 1,349.45

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Solution

The fourth proportional to 1,412.32, 2,104.39 and 1,349.45 is: 2,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.32 : 2,104.39 = 1,349.45 : x
  2. Step 2: Convert to fraction form
    1,412.32/2,104.39 = 1,349.45/x
  3. Step 3: Cross multiply
    1,412.32x = 2,104.39 × 1,349.45
  4. Step 4: Simplify right side
    1,412.32x = 2,839,762.81
  5. Step 5: Solve for x
    x = 2,839,762.81/1,412.32
  6. Step 6: Final answer
    x = 2,010.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.