Home / 3,369.24-4,649.76-1,877.40

Finding the Fourth Proportional to 3,369.24, 4,649.76 and 1,877.40

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Solution

The fourth proportional to 3,369.24, 4,649.76 and 1,877.40 is: 2,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.24 : 4,649.76 = 1,877.40 : x
  2. Step 2: Convert to fraction form
    3,369.24/4,649.76 = 1,877.40/x
  3. Step 3: Cross multiply
    3,369.24x = 4,649.76 × 1,877.40
  4. Step 4: Simplify right side
    3,369.24x = 8,729,459.42
  5. Step 5: Solve for x
    x = 8,729,459.42/3,369.24
  6. Step 6: Final answer
    x = 2,590.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.