Home / 4,102.16-6,153.40-1,637.20

Finding the Fourth Proportional to 4,102.16, 6,153.40 and 1,637.20

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Solution

The fourth proportional to 4,102.16, 6,153.40 and 1,637.20 is: 2,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.16 : 6,153.40 = 1,637.20 : x
  2. Step 2: Convert to fraction form
    4,102.16/6,153.40 = 1,637.20/x
  3. Step 3: Cross multiply
    4,102.16x = 6,153.40 × 1,637.20
  4. Step 4: Simplify right side
    4,102.16x = 10,074,346.48
  5. Step 5: Solve for x
    x = 10,074,346.48/4,102.16
  6. Step 6: Final answer
    x = 2,455.86

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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.