Home / 3,312.05-4,569.02-1,985.27

Finding the Fourth Proportional to 3,312.05, 4,569.02 and 1,985.27

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Solution

The fourth proportional to 3,312.05, 4,569.02 and 1,985.27 is: 2,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.05 : 4,569.02 = 1,985.27 : x
  2. Step 2: Convert to fraction form
    3,312.05/4,569.02 = 1,985.27/x
  3. Step 3: Cross multiply
    3,312.05x = 4,569.02 × 1,985.27
  4. Step 4: Simplify right side
    3,312.05x = 9,070,728.41
  5. Step 5: Solve for x
    x = 9,070,728.41/3,312.05
  6. Step 6: Final answer
    x = 2,738.71

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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.