Home / 3,720.61-5,580.93-1,528.84

Finding the Fourth Proportional to 3,720.61, 5,580.93 and 1,528.84

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Solution

The fourth proportional to 3,720.61, 5,580.93 and 1,528.84 is: 2,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.61 : 5,580.93 = 1,528.84 : x
  2. Step 2: Convert to fraction form
    3,720.61/5,580.93 = 1,528.84/x
  3. Step 3: Cross multiply
    3,720.61x = 5,580.93 × 1,528.84
  4. Step 4: Simplify right side
    3,720.61x = 8,532,349.02
  5. Step 5: Solve for x
    x = 8,532,349.02/3,720.61
  6. Step 6: Final answer
    x = 2,293.27

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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.