Home / 2,355.28-3,250.34-1,307.32

Finding the Fourth Proportional to 2,355.28, 3,250.34 and 1,307.32

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Solution

The fourth proportional to 2,355.28, 3,250.34 and 1,307.32 is: 1,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.28 : 3,250.34 = 1,307.32 : x
  2. Step 2: Convert to fraction form
    2,355.28/3,250.34 = 1,307.32/x
  3. Step 3: Cross multiply
    2,355.28x = 3,250.34 × 1,307.32
  4. Step 4: Simplify right side
    2,355.28x = 4,249,234.49
  5. Step 5: Solve for x
    x = 4,249,234.49/2,355.28
  6. Step 6: Final answer
    x = 1,804.13

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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.