Home / 4,242.04-5,854.80-2,649.40

Finding the Fourth Proportional to 4,242.04, 5,854.80 and 2,649.40

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Solution

The fourth proportional to 4,242.04, 5,854.80 and 2,649.40 is: 3,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.04 : 5,854.80 = 2,649.40 : x
  2. Step 2: Convert to fraction form
    4,242.04/5,854.80 = 2,649.40/x
  3. Step 3: Cross multiply
    4,242.04x = 5,854.80 × 2,649.40
  4. Step 4: Simplify right side
    4,242.04x = 15,511,707.12
  5. Step 5: Solve for x
    x = 15,511,707.12/4,242.04
  6. Step 6: Final answer
    x = 3,656.66

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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.