Home / 4,159.20-5,739.60-2,587.20

Finding the Fourth Proportional to 4,159.20, 5,739.60 and 2,587.20

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Solution

The fourth proportional to 4,159.20, 5,739.60 and 2,587.20 is: 3,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.20 : 5,739.60 = 2,587.20 : x
  2. Step 2: Convert to fraction form
    4,159.20/5,739.60 = 2,587.20/x
  3. Step 3: Cross multiply
    4,159.20x = 5,739.60 × 2,587.20
  4. Step 4: Simplify right side
    4,159.20x = 14,849,493.12
  5. Step 5: Solve for x
    x = 14,849,493.12/4,159.20
  6. Step 6: Final answer
    x = 3,570.28

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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.