Home / 4,288.41-6,432.36-1,655.40

Finding the Fourth Proportional to 4,288.41, 6,432.36 and 1,655.40

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Solution

The fourth proportional to 4,288.41, 6,432.36 and 1,655.40 is: 2,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.41 : 6,432.36 = 1,655.40 : x
  2. Step 2: Convert to fraction form
    4,288.41/6,432.36 = 1,655.40/x
  3. Step 3: Cross multiply
    4,288.41x = 6,432.36 × 1,655.40
  4. Step 4: Simplify right side
    4,288.41x = 10,648,128.74
  5. Step 5: Solve for x
    x = 10,648,128.74/4,288.41
  6. Step 6: Final answer
    x = 2,483.00

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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.