Home / 2,551.03-3,520.98-1,503.70

Finding the Fourth Proportional to 2,551.03, 3,520.98 and 1,503.70

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Solution

The fourth proportional to 2,551.03, 3,520.98 and 1,503.70 is: 2,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.03 : 3,520.98 = 1,503.70 : x
  2. Step 2: Convert to fraction form
    2,551.03/3,520.98 = 1,503.70/x
  3. Step 3: Cross multiply
    2,551.03x = 3,520.98 × 1,503.70
  4. Step 4: Simplify right side
    2,551.03x = 5,294,488.82
  5. Step 5: Solve for x
    x = 5,294,488.82/2,551.03
  6. Step 6: Final answer
    x = 2,075.43

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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.