Home / 3,268.17-4,509.95-1,870.92

Finding the Fourth Proportional to 3,268.17, 4,509.95 and 1,870.92

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Solution

The fourth proportional to 3,268.17, 4,509.95 and 1,870.92 is: 2,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.17 : 4,509.95 = 1,870.92 : x
  2. Step 2: Convert to fraction form
    3,268.17/4,509.95 = 1,870.92/x
  3. Step 3: Cross multiply
    3,268.17x = 4,509.95 × 1,870.92
  4. Step 4: Simplify right side
    3,268.17x = 8,437,746.30
  5. Step 5: Solve for x
    x = 8,437,746.30/3,268.17
  6. Step 6: Final answer
    x = 2,581.80

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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.