Home / 3,581.93-4,943.35-1,988.67

Finding the Fourth Proportional to 3,581.93, 4,943.35 and 1,988.67

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Solution

The fourth proportional to 3,581.93, 4,943.35 and 1,988.67 is: 2,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.93 : 4,943.35 = 1,988.67 : x
  2. Step 2: Convert to fraction form
    3,581.93/4,943.35 = 1,988.67/x
  3. Step 3: Cross multiply
    3,581.93x = 4,943.35 × 1,988.67
  4. Step 4: Simplify right side
    3,581.93x = 9,830,686.87
  5. Step 5: Solve for x
    x = 9,830,686.87/3,581.93
  6. Step 6: Final answer
    x = 2,744.53

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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.