Home / 1,675.27-2,312.11-1,012.49

Finding the Fourth Proportional to 1,675.27, 2,312.11 and 1,012.49

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Solution

The fourth proportional to 1,675.27, 2,312.11 and 1,012.49 is: 1,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.27 : 2,312.11 = 1,012.49 : x
  2. Step 2: Convert to fraction form
    1,675.27/2,312.11 = 1,012.49/x
  3. Step 3: Cross multiply
    1,675.27x = 2,312.11 × 1,012.49
  4. Step 4: Simplify right side
    1,675.27x = 2,340,988.25
  5. Step 5: Solve for x
    x = 2,340,988.25/1,675.27
  6. Step 6: Final answer
    x = 1,397.38

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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.