Home / 3,725.58-5,588.38-1,386.10

Finding the Fourth Proportional to 3,725.58, 5,588.38 and 1,386.10

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Solution

The fourth proportional to 3,725.58, 5,588.38 and 1,386.10 is: 2,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.58 : 5,588.38 = 1,386.10 : x
  2. Step 2: Convert to fraction form
    3,725.58/5,588.38 = 1,386.10/x
  3. Step 3: Cross multiply
    3,725.58x = 5,588.38 × 1,386.10
  4. Step 4: Simplify right side
    3,725.58x = 7,746,018.65
  5. Step 5: Solve for x
    x = 7,746,018.65/3,725.58
  6. Step 6: Final answer
    x = 2,079.14

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1.5x scale

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.