Home / 3,345.36-4,617.24-1,948.32

Finding the Fourth Proportional to 3,345.36, 4,617.24 and 1,948.32

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Solution

The fourth proportional to 3,345.36, 4,617.24 and 1,948.32 is: 2,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.36 : 4,617.24 = 1,948.32 : x
  2. Step 2: Convert to fraction form
    3,345.36/4,617.24 = 1,948.32/x
  3. Step 3: Cross multiply
    3,345.36x = 4,617.24 × 1,948.32
  4. Step 4: Simplify right side
    3,345.36x = 8,995,861.04
  5. Step 5: Solve for x
    x = 8,995,861.04/3,345.36
  6. Step 6: Final answer
    x = 2,689.06

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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.