Home / 1,753.55-2,420.28-1,458.30

Finding the Fourth Proportional to 1,753.55, 2,420.28 and 1,458.30

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Solution

The fourth proportional to 1,753.55, 2,420.28 and 1,458.30 is: 2,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.55 : 2,420.28 = 1,458.30 : x
  2. Step 2: Convert to fraction form
    1,753.55/2,420.28 = 1,458.30/x
  3. Step 3: Cross multiply
    1,753.55x = 2,420.28 × 1,458.30
  4. Step 4: Simplify right side
    1,753.55x = 3,529,503.40
  5. Step 5: Solve for x
    x = 3,529,503.40/1,753.55
  6. Step 6: Final answer
    x = 2,012.78

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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.