Home / 2,929.19-4,042.25-1,670.45

Finding the Fourth Proportional to 2,929.19, 4,042.25 and 1,670.45

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Solution

The fourth proportional to 2,929.19, 4,042.25 and 1,670.45 is: 2,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.19 : 4,042.25 = 1,670.45 : x
  2. Step 2: Convert to fraction form
    2,929.19/4,042.25 = 1,670.45/x
  3. Step 3: Cross multiply
    2,929.19x = 4,042.25 × 1,670.45
  4. Step 4: Simplify right side
    2,929.19x = 6,752,347.95
  5. Step 5: Solve for x
    x = 6,752,347.95/2,929.19
  6. Step 6: Final answer
    x = 2,305.20

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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.