Home / 2,360.87-3,256.55-1,403.12

Finding the Fourth Proportional to 2,360.87, 3,256.55 and 1,403.12

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Solution

The fourth proportional to 2,360.87, 3,256.55 and 1,403.12 is: 1,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.87 : 3,256.55 = 1,403.12 : x
  2. Step 2: Convert to fraction form
    2,360.87/3,256.55 = 1,403.12/x
  3. Step 3: Cross multiply
    2,360.87x = 3,256.55 × 1,403.12
  4. Step 4: Simplify right side
    2,360.87x = 4,569,336.82
  5. Step 5: Solve for x
    x = 4,569,336.82/2,360.87
  6. Step 6: Final answer
    x = 1,935.45

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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.