Home / 3,420.13-4,718.91-2,093.35

Finding the Fourth Proportional to 3,420.13, 4,718.91 and 2,093.35

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Solution

The fourth proportional to 3,420.13, 4,718.91 and 2,093.35 is: 2,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.13 : 4,718.91 = 2,093.35 : x
  2. Step 2: Convert to fraction form
    3,420.13/4,718.91 = 2,093.35/x
  3. Step 3: Cross multiply
    3,420.13x = 4,718.91 × 2,093.35
  4. Step 4: Simplify right side
    3,420.13x = 9,878,330.25
  5. Step 5: Solve for x
    x = 9,878,330.25/3,420.13
  6. Step 6: Final answer
    x = 2,888.29

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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.