Home / 3,127.85-4,692.38-1,048.10

Finding the Fourth Proportional to 3,127.85, 4,692.38 and 1,048.10

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Solution

The fourth proportional to 3,127.85, 4,692.38 and 1,048.10 is: 1,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.85 : 4,692.38 = 1,048.10 : x
  2. Step 2: Convert to fraction form
    3,127.85/4,692.38 = 1,048.10/x
  3. Step 3: Cross multiply
    3,127.85x = 4,692.38 × 1,048.10
  4. Step 4: Simplify right side
    3,127.85x = 4,918,054.78
  5. Step 5: Solve for x
    x = 4,918,054.78/3,127.85
  6. Step 6: Final answer
    x = 1,572.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.