Home / 2,030.20-3,045.40-1,058.20

Finding the Fourth Proportional to 2,030.20, 3,045.40 and 1,058.20

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Solution

The fourth proportional to 2,030.20, 3,045.40 and 1,058.20 is: 1,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.20 : 3,045.40 = 1,058.20 : x
  2. Step 2: Convert to fraction form
    2,030.20/3,045.40 = 1,058.20/x
  3. Step 3: Cross multiply
    2,030.20x = 3,045.40 × 1,058.20
  4. Step 4: Simplify right side
    2,030.20x = 3,222,642.28
  5. Step 5: Solve for x
    x = 3,222,642.28/2,030.20
  6. Step 6: Final answer
    x = 1,587.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.