Home / 2,623.12-3,916.34-2,256.40

Finding the Fourth Proportional to 2,623.12, 3,916.34 and 2,256.40

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Solution

The fourth proportional to 2,623.12, 3,916.34 and 2,256.40 is: 3,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.12 : 3,916.34 = 2,256.40 : x
  2. Step 2: Convert to fraction form
    2,623.12/3,916.34 = 2,256.40/x
  3. Step 3: Cross multiply
    2,623.12x = 3,916.34 × 2,256.40
  4. Step 4: Simplify right side
    2,623.12x = 8,836,829.58
  5. Step 5: Solve for x
    x = 8,836,829.58/2,623.12
  6. Step 6: Final answer
    x = 3,368.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.