Home / 3,345.93-4,617.60-1,929.88

Finding the Fourth Proportional to 3,345.93, 4,617.60 and 1,929.88

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Solution

The fourth proportional to 3,345.93, 4,617.60 and 1,929.88 is: 2,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.93 : 4,617.60 = 1,929.88 : x
  2. Step 2: Convert to fraction form
    3,345.93/4,617.60 = 1,929.88/x
  3. Step 3: Cross multiply
    3,345.93x = 4,617.60 × 1,929.88
  4. Step 4: Simplify right side
    3,345.93x = 8,911,386.45
  5. Step 5: Solve for x
    x = 8,911,386.45/3,345.93
  6. Step 6: Final answer
    x = 2,663.35

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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.