Home / 3,187.50-4,395.51-2,596.20

Finding the Fourth Proportional to 3,187.50, 4,395.51 and 2,596.20

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Solution

The fourth proportional to 3,187.50, 4,395.51 and 2,596.20 is: 3,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.50 : 4,395.51 = 2,596.20 : x
  2. Step 2: Convert to fraction form
    3,187.50/4,395.51 = 2,596.20/x
  3. Step 3: Cross multiply
    3,187.50x = 4,395.51 × 2,596.20
  4. Step 4: Simplify right side
    3,187.50x = 11,411,623.06
  5. Step 5: Solve for x
    x = 11,411,623.06/3,187.50
  6. Step 6: Final answer
    x = 3,580.12

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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.