Home / 2,565.35-3,539.53-1,570.26

Finding the Fourth Proportional to 2,565.35, 3,539.53 and 1,570.26

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Solution

The fourth proportional to 2,565.35, 3,539.53 and 1,570.26 is: 2,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.35 : 3,539.53 = 1,570.26 : x
  2. Step 2: Convert to fraction form
    2,565.35/3,539.53 = 1,570.26/x
  3. Step 3: Cross multiply
    2,565.35x = 3,539.53 × 1,570.26
  4. Step 4: Simplify right side
    2,565.35x = 5,557,982.38
  5. Step 5: Solve for x
    x = 5,557,982.38/2,565.35
  6. Step 6: Final answer
    x = 2,166.56

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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.