Home / 2,916.60-4,030.74-2,173.02

Finding the Fourth Proportional to 2,916.60, 4,030.74 and 2,173.02

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Solution

The fourth proportional to 2,916.60, 4,030.74 and 2,173.02 is: 3,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.60 : 4,030.74 = 2,173.02 : x
  2. Step 2: Convert to fraction form
    2,916.60/4,030.74 = 2,173.02/x
  3. Step 3: Cross multiply
    2,916.60x = 4,030.74 × 2,173.02
  4. Step 4: Simplify right side
    2,916.60x = 8,758,878.63
  5. Step 5: Solve for x
    x = 8,758,878.63/2,916.60
  6. Step 6: Final answer
    x = 3,003.11

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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.