Home / 3,507.21-4,840.29-1,935.31

Finding the Fourth Proportional to 3,507.21, 4,840.29 and 1,935.31

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Solution

The fourth proportional to 3,507.21, 4,840.29 and 1,935.31 is: 2,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.21 : 4,840.29 = 1,935.31 : x
  2. Step 2: Convert to fraction form
    3,507.21/4,840.29 = 1,935.31/x
  3. Step 3: Cross multiply
    3,507.21x = 4,840.29 × 1,935.31
  4. Step 4: Simplify right side
    3,507.21x = 9,367,461.64
  5. Step 5: Solve for x
    x = 9,367,461.64/3,507.21
  6. Step 6: Final answer
    x = 2,670.92

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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.