Home / 3,505.02-5,259.55-1,313.43

Finding the Fourth Proportional to 3,505.02, 5,259.55 and 1,313.43

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Solution

The fourth proportional to 3,505.02, 5,259.55 and 1,313.43 is: 1,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.02 : 5,259.55 = 1,313.43 : x
  2. Step 2: Convert to fraction form
    3,505.02/5,259.55 = 1,313.43/x
  3. Step 3: Cross multiply
    3,505.02x = 5,259.55 × 1,313.43
  4. Step 4: Simplify right side
    3,505.02x = 6,908,050.76
  5. Step 5: Solve for x
    x = 6,908,050.76/3,505.02
  6. Step 6: Final answer
    x = 1,970.90

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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.