Home / 3,642.18-5,026.65-2,070.66

Finding the Fourth Proportional to 3,642.18, 5,026.65 and 2,070.66

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Solution

The fourth proportional to 3,642.18, 5,026.65 and 2,070.66 is: 2,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.18 : 5,026.65 = 2,070.66 : x
  2. Step 2: Convert to fraction form
    3,642.18/5,026.65 = 2,070.66/x
  3. Step 3: Cross multiply
    3,642.18x = 5,026.65 × 2,070.66
  4. Step 4: Simplify right side
    3,642.18x = 10,408,483.09
  5. Step 5: Solve for x
    x = 10,408,483.09/3,642.18
  6. Step 6: Final answer
    x = 2,857.76

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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.