Home / 2,601.90-3,590.28-1,539.60

Finding the Fourth Proportional to 2,601.90, 3,590.28 and 1,539.60

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Solution

The fourth proportional to 2,601.90, 3,590.28 and 1,539.60 is: 2,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.90 : 3,590.28 = 1,539.60 : x
  2. Step 2: Convert to fraction form
    2,601.90/3,590.28 = 1,539.60/x
  3. Step 3: Cross multiply
    2,601.90x = 3,590.28 × 1,539.60
  4. Step 4: Simplify right side
    2,601.90x = 5,527,595.09
  5. Step 5: Solve for x
    x = 5,527,595.09/2,601.90
  6. Step 6: Final answer
    x = 2,124.45

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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.