Home / 1,943.80-2,903.67-1,748.49

Finding the Fourth Proportional to 1,943.80, 2,903.67 and 1,748.49

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Solution

The fourth proportional to 1,943.80, 2,903.67 and 1,748.49 is: 2,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.80 : 2,903.67 = 1,748.49 : x
  2. Step 2: Convert to fraction form
    1,943.80/2,903.67 = 1,748.49/x
  3. Step 3: Cross multiply
    1,943.80x = 2,903.67 × 1,748.49
  4. Step 4: Simplify right side
    1,943.80x = 5,077,031.99
  5. Step 5: Solve for x
    x = 5,077,031.99/1,943.80
  6. Step 6: Final answer
    x = 2,611.91

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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.