Home / 3,159.50-4,360.14-1,762.28

Finding the Fourth Proportional to 3,159.50, 4,360.14 and 1,762.28

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Solution

The fourth proportional to 3,159.50, 4,360.14 and 1,762.28 is: 2,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.50 : 4,360.14 = 1,762.28 : x
  2. Step 2: Convert to fraction form
    3,159.50/4,360.14 = 1,762.28/x
  3. Step 3: Cross multiply
    3,159.50x = 4,360.14 × 1,762.28
  4. Step 4: Simplify right side
    3,159.50x = 7,683,787.52
  5. Step 5: Solve for x
    x = 7,683,787.52/3,159.50
  6. Step 6: Final answer
    x = 2,431.96

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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.