Home / 3,477.45-4,798.92-1,985.57

Finding the Fourth Proportional to 3,477.45, 4,798.92 and 1,985.57

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Solution

The fourth proportional to 3,477.45, 4,798.92 and 1,985.57 is: 2,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.45 : 4,798.92 = 1,985.57 : x
  2. Step 2: Convert to fraction form
    3,477.45/4,798.92 = 1,985.57/x
  3. Step 3: Cross multiply
    3,477.45x = 4,798.92 × 1,985.57
  4. Step 4: Simplify right side
    3,477.45x = 9,528,567.59
  5. Step 5: Solve for x
    x = 9,528,567.59/3,477.45
  6. Step 6: Final answer
    x = 2,740.10

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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.