Home / 3,225.32-4,453.08-2,875.40

Finding the Fourth Proportional to 3,225.32, 4,453.08 and 2,875.40

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Solution

The fourth proportional to 3,225.32, 4,453.08 and 2,875.40 is: 3,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.32 : 4,453.08 = 2,875.40 : x
  2. Step 2: Convert to fraction form
    3,225.32/4,453.08 = 2,875.40/x
  3. Step 3: Cross multiply
    3,225.32x = 4,453.08 × 2,875.40
  4. Step 4: Simplify right side
    3,225.32x = 12,804,386.23
  5. Step 5: Solve for x
    x = 12,804,386.23/3,225.32
  6. Step 6: Final answer
    x = 3,969.96

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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.