Home / 1,647.92-2,458.56-1,588.16

Finding the Fourth Proportional to 1,647.92, 2,458.56 and 1,588.16

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Solution

The fourth proportional to 1,647.92, 2,458.56 and 1,588.16 is: 2,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.92 : 2,458.56 = 1,588.16 : x
  2. Step 2: Convert to fraction form
    1,647.92/2,458.56 = 1,588.16/x
  3. Step 3: Cross multiply
    1,647.92x = 2,458.56 × 1,588.16
  4. Step 4: Simplify right side
    1,647.92x = 3,904,586.65
  5. Step 5: Solve for x
    x = 3,904,586.65/1,647.92
  6. Step 6: Final answer
    x = 2,369.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.