Home / 3,530.34-4,864.77-2,639.70

Finding the Fourth Proportional to 3,530.34, 4,864.77 and 2,639.70

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Solution

The fourth proportional to 3,530.34, 4,864.77 and 2,639.70 is: 3,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.34 : 4,864.77 = 2,639.70 : x
  2. Step 2: Convert to fraction form
    3,530.34/4,864.77 = 2,639.70/x
  3. Step 3: Cross multiply
    3,530.34x = 4,864.77 × 2,639.70
  4. Step 4: Simplify right side
    3,530.34x = 12,841,533.37
  5. Step 5: Solve for x
    x = 12,841,533.37/3,530.34
  6. Step 6: Final answer
    x = 3,637.48

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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.