Home / 3,397.93-4,686.98-2,455.11

Finding the Fourth Proportional to 3,397.93, 4,686.98 and 2,455.11

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Solution

The fourth proportional to 3,397.93, 4,686.98 and 2,455.11 is: 3,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.93 : 4,686.98 = 2,455.11 : x
  2. Step 2: Convert to fraction form
    3,397.93/4,686.98 = 2,455.11/x
  3. Step 3: Cross multiply
    3,397.93x = 4,686.98 × 2,455.11
  4. Step 4: Simplify right side
    3,397.93x = 11,507,051.47
  5. Step 5: Solve for x
    x = 11,507,051.47/3,397.93
  6. Step 6: Final answer
    x = 3,386.49

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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.