Home / 4,085.10-5,637.33-2,316.78

Finding the Fourth Proportional to 4,085.10, 5,637.33 and 2,316.78

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Solution

The fourth proportional to 4,085.10, 5,637.33 and 2,316.78 is: 3,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.10 : 5,637.33 = 2,316.78 : x
  2. Step 2: Convert to fraction form
    4,085.10/5,637.33 = 2,316.78/x
  3. Step 3: Cross multiply
    4,085.10x = 5,637.33 × 2,316.78
  4. Step 4: Simplify right side
    4,085.10x = 13,060,453.40
  5. Step 5: Solve for x
    x = 13,060,453.40/4,085.10
  6. Step 6: Final answer
    x = 3,197.10

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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.