Home / 1,412.66-1,948.12-1,274.27

Finding the Fourth Proportional to 1,412.66, 1,948.12 and 1,274.27

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Solution

The fourth proportional to 1,412.66, 1,948.12 and 1,274.27 is: 1,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.66 : 1,948.12 = 1,274.27 : x
  2. Step 2: Convert to fraction form
    1,412.66/1,948.12 = 1,274.27/x
  3. Step 3: Cross multiply
    1,412.66x = 1,948.12 × 1,274.27
  4. Step 4: Simplify right side
    1,412.66x = 2,482,417.95
  5. Step 5: Solve for x
    x = 2,482,417.95/1,412.66
  6. Step 6: Final answer
    x = 1,757.26

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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.