Home / 3,448.76-5,175.36-1,257.30

Finding the Fourth Proportional to 3,448.76, 5,175.36 and 1,257.30

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Solution

The fourth proportional to 3,448.76, 5,175.36 and 1,257.30 is: 1,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.76 : 5,175.36 = 1,257.30 : x
  2. Step 2: Convert to fraction form
    3,448.76/5,175.36 = 1,257.30/x
  3. Step 3: Cross multiply
    3,448.76x = 5,175.36 × 1,257.30
  4. Step 4: Simplify right side
    3,448.76x = 6,506,980.13
  5. Step 5: Solve for x
    x = 6,506,980.13/3,448.76
  6. Step 6: Final answer
    x = 1,886.76

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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.