Home / 4,288.68-6,432.36-1,655.81

Finding the Fourth Proportional to 4,288.68, 6,432.36 and 1,655.81

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Solution

The fourth proportional to 4,288.68, 6,432.36 and 1,655.81 is: 2,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.68 : 6,432.36 = 1,655.81 : x
  2. Step 2: Convert to fraction form
    4,288.68/6,432.36 = 1,655.81/x
  3. Step 3: Cross multiply
    4,288.68x = 6,432.36 × 1,655.81
  4. Step 4: Simplify right side
    4,288.68x = 10,650,766.01
  5. Step 5: Solve for x
    x = 10,650,766.01/4,288.68
  6. Step 6: Final answer
    x = 2,483.46

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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.