Home / 2,565.20-3,539.88-1,446.18

Finding the Fourth Proportional to 2,565.20, 3,539.88 and 1,446.18

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Solution

The fourth proportional to 2,565.20, 3,539.88 and 1,446.18 is: 1,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.20 : 3,539.88 = 1,446.18 : x
  2. Step 2: Convert to fraction form
    2,565.20/3,539.88 = 1,446.18/x
  3. Step 3: Cross multiply
    2,565.20x = 3,539.88 × 1,446.18
  4. Step 4: Simplify right side
    2,565.20x = 5,119,303.66
  5. Step 5: Solve for x
    x = 5,119,303.66/2,565.20
  6. Step 6: Final answer
    x = 1,995.67

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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.