Home / 1,256.05-1,884.48-1,052.74

Finding the Fourth Proportional to 1,256.05, 1,884.48 and 1,052.74

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Solution

The fourth proportional to 1,256.05, 1,884.48 and 1,052.74 is: 1,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.05 : 1,884.48 = 1,052.74 : x
  2. Step 2: Convert to fraction form
    1,256.05/1,884.48 = 1,052.74/x
  3. Step 3: Cross multiply
    1,256.05x = 1,884.48 × 1,052.74
  4. Step 4: Simplify right side
    1,256.05x = 1,983,862.76
  5. Step 5: Solve for x
    x = 1,983,862.76/1,256.05
  6. Step 6: Final answer
    x = 1,579.45

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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.