Home / 3,153.48-4,347.13-2,018.98

Finding the Fourth Proportional to 3,153.48, 4,347.13 and 2,018.98

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Solution

The fourth proportional to 3,153.48, 4,347.13 and 2,018.98 is: 2,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.48 : 4,347.13 = 2,018.98 : x
  2. Step 2: Convert to fraction form
    3,153.48/4,347.13 = 2,018.98/x
  3. Step 3: Cross multiply
    3,153.48x = 4,347.13 × 2,018.98
  4. Step 4: Simplify right side
    3,153.48x = 8,776,758.43
  5. Step 5: Solve for x
    x = 8,776,758.43/3,153.48
  6. Step 6: Final answer
    x = 2,783.20

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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.