Home / 3,406.16-5,110.80-1,557.76

Finding the Fourth Proportional to 3,406.16, 5,110.80 and 1,557.76

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Solution

The fourth proportional to 3,406.16, 5,110.80 and 1,557.76 is: 2,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.16 : 5,110.80 = 1,557.76 : x
  2. Step 2: Convert to fraction form
    3,406.16/5,110.80 = 1,557.76/x
  3. Step 3: Cross multiply
    3,406.16x = 5,110.80 × 1,557.76
  4. Step 4: Simplify right side
    3,406.16x = 7,961,399.81
  5. Step 5: Solve for x
    x = 7,961,399.81/3,406.16
  6. Step 6: Final answer
    x = 2,337.35

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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.