Home / 3,345-4,616.10-1,948.68

Finding the Fourth Proportional to 3,345, 4,616.10 and 1,948.68

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Solution

The fourth proportional to 3,345, 4,616.10 and 1,948.68 is: 2,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345 : 4,616.10 = 1,948.68 : x
  2. Step 2: Convert to fraction form
    3,345/4,616.10 = 1,948.68/x
  3. Step 3: Cross multiply
    3,345x = 4,616.10 × 1,948.68
  4. Step 4: Simplify right side
    3,345x = 8,995,301.75
  5. Step 5: Solve for x
    x = 8,995,301.75/3,345
  6. Step 6: Final answer
    x = 2,689.18

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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.