Home / 2,568.16-3,520.93-2,521.45

Finding the Fourth Proportional to 2,568.16, 3,520.93 and 2,521.45

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Solution

The fourth proportional to 2,568.16, 3,520.93 and 2,521.45 is: 3,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.16 : 3,520.93 = 2,521.45 : x
  2. Step 2: Convert to fraction form
    2,568.16/3,520.93 = 2,521.45/x
  3. Step 3: Cross multiply
    2,568.16x = 3,520.93 × 2,521.45
  4. Step 4: Simplify right side
    2,568.16x = 8,877,848.95
  5. Step 5: Solve for x
    x = 8,877,848.95/2,568.16
  6. Step 6: Final answer
    x = 3,456.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.