Home / 3,058.34-4,218.63-2,666.30

Finding the Fourth Proportional to 3,058.34, 4,218.63 and 2,666.30

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Solution

The fourth proportional to 3,058.34, 4,218.63 and 2,666.30 is: 3,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.34 : 4,218.63 = 2,666.30 : x
  2. Step 2: Convert to fraction form
    3,058.34/4,218.63 = 2,666.30/x
  3. Step 3: Cross multiply
    3,058.34x = 4,218.63 × 2,666.30
  4. Step 4: Simplify right side
    3,058.34x = 11,248,133.17
  5. Step 5: Solve for x
    x = 11,248,133.17/3,058.34
  6. Step 6: Final answer
    x = 3,677.86

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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.