Home / 2,810.48-4,217.40-2,590.16

Finding the Fourth Proportional to 2,810.48, 4,217.40 and 2,590.16

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Solution

The fourth proportional to 2,810.48, 4,217.40 and 2,590.16 is: 3,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.48 : 4,217.40 = 2,590.16 : x
  2. Step 2: Convert to fraction form
    2,810.48/4,217.40 = 2,590.16/x
  3. Step 3: Cross multiply
    2,810.48x = 4,217.40 × 2,590.16
  4. Step 4: Simplify right side
    2,810.48x = 10,923,740.78
  5. Step 5: Solve for x
    x = 10,923,740.78/2,810.48
  6. Step 6: Final answer
    x = 3,886.79

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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.