Home / 3,010.90-4,155-1,752.70

Finding the Fourth Proportional to 3,010.90, 4,155 and 1,752.70

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Solution

The fourth proportional to 3,010.90, 4,155 and 1,752.70 is: 2,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.90 : 4,155 = 1,752.70 : x
  2. Step 2: Convert to fraction form
    3,010.90/4,155 = 1,752.70/x
  3. Step 3: Cross multiply
    3,010.90x = 4,155 × 1,752.70
  4. Step 4: Simplify right side
    3,010.90x = 7,282,468.50
  5. Step 5: Solve for x
    x = 7,282,468.50/3,010.90
  6. Step 6: Final answer
    x = 2,418.70

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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.