Home / 2,486.35-3,430.58-2,089.52

Finding the Fourth Proportional to 2,486.35, 3,430.58 and 2,089.52

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Solution

The fourth proportional to 2,486.35, 3,430.58 and 2,089.52 is: 2,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.35 : 3,430.58 = 2,089.52 : x
  2. Step 2: Convert to fraction form
    2,486.35/3,430.58 = 2,089.52/x
  3. Step 3: Cross multiply
    2,486.35x = 3,430.58 × 2,089.52
  4. Step 4: Simplify right side
    2,486.35x = 7,168,265.52
  5. Step 5: Solve for x
    x = 7,168,265.52/2,486.35
  6. Step 6: Final answer
    x = 2,883.05

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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.