Home / 3,503.10-5,253.21-2,807.58

Finding the Fourth Proportional to 3,503.10, 5,253.21 and 2,807.58

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Solution

The fourth proportional to 3,503.10, 5,253.21 and 2,807.58 is: 4,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.10 : 5,253.21 = 2,807.58 : x
  2. Step 2: Convert to fraction form
    3,503.10/5,253.21 = 2,807.58/x
  3. Step 3: Cross multiply
    3,503.10x = 5,253.21 × 2,807.58
  4. Step 4: Simplify right side
    3,503.10x = 14,748,807.33
  5. Step 5: Solve for x
    x = 14,748,807.33/3,503.10
  6. Step 6: Final answer
    x = 4,210.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.