Home / 3,055.16-4,216.20-1,658

Finding the Fourth Proportional to 3,055.16, 4,216.20 and 1,658

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Solution

The fourth proportional to 3,055.16, 4,216.20 and 1,658 is: 2,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.16 : 4,216.20 = 1,658 : x
  2. Step 2: Convert to fraction form
    3,055.16/4,216.20 = 1,658/x
  3. Step 3: Cross multiply
    3,055.16x = 4,216.20 × 1,658
  4. Step 4: Simplify right side
    3,055.16x = 6,990,459.60
  5. Step 5: Solve for x
    x = 6,990,459.60/3,055.16
  6. Step 6: Final answer
    x = 2,288.08

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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.