Home / 2,585.20-3,565.48-1,536.24

Finding the Fourth Proportional to 2,585.20, 3,565.48 and 1,536.24

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Solution

The fourth proportional to 2,585.20, 3,565.48 and 1,536.24 is: 2,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.20 : 3,565.48 = 1,536.24 : x
  2. Step 2: Convert to fraction form
    2,585.20/3,565.48 = 1,536.24/x
  3. Step 3: Cross multiply
    2,585.20x = 3,565.48 × 1,536.24
  4. Step 4: Simplify right side
    2,585.20x = 5,477,433.00
  5. Step 5: Solve for x
    x = 5,477,433.00/2,585.20
  6. Step 6: Final answer
    x = 2,118.77

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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.