Home / 2,585.04-3,880.80-1,765.32

Finding the Fourth Proportional to 2,585.04, 3,880.80 and 1,765.32

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Solution

The fourth proportional to 2,585.04, 3,880.80 and 1,765.32 is: 2,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.04 : 3,880.80 = 1,765.32 : x
  2. Step 2: Convert to fraction form
    2,585.04/3,880.80 = 1,765.32/x
  3. Step 3: Cross multiply
    2,585.04x = 3,880.80 × 1,765.32
  4. Step 4: Simplify right side
    2,585.04x = 6,850,853.86
  5. Step 5: Solve for x
    x = 6,850,853.86/2,585.04
  6. Step 6: Final answer
    x = 2,650.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.