Home / 3,390.07-5,085.60-1,050.28

Finding the Fourth Proportional to 3,390.07, 5,085.60 and 1,050.28

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Solution

The fourth proportional to 3,390.07, 5,085.60 and 1,050.28 is: 1,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.07 : 5,085.60 = 1,050.28 : x
  2. Step 2: Convert to fraction form
    3,390.07/5,085.60 = 1,050.28/x
  3. Step 3: Cross multiply
    3,390.07x = 5,085.60 × 1,050.28
  4. Step 4: Simplify right side
    3,390.07x = 5,341,314.06
  5. Step 5: Solve for x
    x = 5,341,314.06/3,390.07
  6. Step 6: Final answer
    x = 1,575.58

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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.