Home / 3,369.07-4,649.28-1,877.15

Finding the Fourth Proportional to 3,369.07, 4,649.28 and 1,877.15

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Solution

The fourth proportional to 3,369.07, 4,649.28 and 1,877.15 is: 2,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.07 : 4,649.28 = 1,877.15 : x
  2. Step 2: Convert to fraction form
    3,369.07/4,649.28 = 1,877.15/x
  3. Step 3: Cross multiply
    3,369.07x = 4,649.28 × 1,877.15
  4. Step 4: Simplify right side
    3,369.07x = 8,727,395.95
  5. Step 5: Solve for x
    x = 8,727,395.95/3,369.07
  6. Step 6: Final answer
    x = 2,590.45

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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.