Home / 3,345.24-4,617.36-1,948.26

Finding the Fourth Proportional to 3,345.24, 4,617.36 and 1,948.26

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Solution

The fourth proportional to 3,345.24, 4,617.36 and 1,948.26 is: 2,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.24 : 4,617.36 = 1,948.26 : x
  2. Step 2: Convert to fraction form
    3,345.24/4,617.36 = 1,948.26/x
  3. Step 3: Cross multiply
    3,345.24x = 4,617.36 × 1,948.26
  4. Step 4: Simplify right side
    3,345.24x = 8,995,817.79
  5. Step 5: Solve for x
    x = 8,995,817.79/3,345.24
  6. Step 6: Final answer
    x = 2,689.14

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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.