Home / 3,653.51-5,482.70-1,345.01

Finding the Fourth Proportional to 3,653.51, 5,482.70 and 1,345.01

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Solution

The fourth proportional to 3,653.51, 5,482.70 and 1,345.01 is: 2,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.51 : 5,482.70 = 1,345.01 : x
  2. Step 2: Convert to fraction form
    3,653.51/5,482.70 = 1,345.01/x
  3. Step 3: Cross multiply
    3,653.51x = 5,482.70 × 1,345.01
  4. Step 4: Simplify right side
    3,653.51x = 7,374,252.19
  5. Step 5: Solve for x
    x = 7,374,252.19/3,653.51
  6. Step 6: Final answer
    x = 2,018.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.