Home / 3,586.56-5,378.76-1,395.60

Finding the Fourth Proportional to 3,586.56, 5,378.76 and 1,395.60

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Solution

The fourth proportional to 3,586.56, 5,378.76 and 1,395.60 is: 2,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.56 : 5,378.76 = 1,395.60 : x
  2. Step 2: Convert to fraction form
    3,586.56/5,378.76 = 1,395.60/x
  3. Step 3: Cross multiply
    3,586.56x = 5,378.76 × 1,395.60
  4. Step 4: Simplify right side
    3,586.56x = 7,506,597.46
  5. Step 5: Solve for x
    x = 7,506,597.46/3,586.56
  6. Step 6: Final answer
    x = 2,092.98

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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.