Home / 3,159.36-4,360.68-1,762.20

Finding the Fourth Proportional to 3,159.36, 4,360.68 and 1,762.20

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Solution

The fourth proportional to 3,159.36, 4,360.68 and 1,762.20 is: 2,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.36 : 4,360.68 = 1,762.20 : x
  2. Step 2: Convert to fraction form
    3,159.36/4,360.68 = 1,762.20/x
  3. Step 3: Cross multiply
    3,159.36x = 4,360.68 × 1,762.20
  4. Step 4: Simplify right side
    3,159.36x = 7,684,390.30
  5. Step 5: Solve for x
    x = 7,684,390.30/3,159.36
  6. Step 6: Final answer
    x = 2,432.26

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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.