Home / 2,930.60-4,393.95-1,614.98

Finding the Fourth Proportional to 2,930.60, 4,393.95 and 1,614.98

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Solution

The fourth proportional to 2,930.60, 4,393.95 and 1,614.98 is: 2,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.60 : 4,393.95 = 1,614.98 : x
  2. Step 2: Convert to fraction form
    2,930.60/4,393.95 = 1,614.98/x
  3. Step 3: Cross multiply
    2,930.60x = 4,393.95 × 1,614.98
  4. Step 4: Simplify right side
    2,930.60x = 7,096,129.82
  5. Step 5: Solve for x
    x = 7,096,129.82/2,930.60
  6. Step 6: Final answer
    x = 2,421.40

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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.