Home / 2,955.40-4,433.10-1,656.70

Finding the Fourth Proportional to 2,955.40, 4,433.10 and 1,656.70

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Solution

The fourth proportional to 2,955.40, 4,433.10 and 1,656.70 is: 2,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.40 : 4,433.10 = 1,656.70 : x
  2. Step 2: Convert to fraction form
    2,955.40/4,433.10 = 1,656.70/x
  3. Step 3: Cross multiply
    2,955.40x = 4,433.10 × 1,656.70
  4. Step 4: Simplify right side
    2,955.40x = 7,344,316.77
  5. Step 5: Solve for x
    x = 7,344,316.77/2,955.40
  6. Step 6: Final answer
    x = 2,485.05

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Similar ratio
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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.