Home / 2,415.64-3,334.18-1,368.32

Finding the Fourth Proportional to 2,415.64, 3,334.18 and 1,368.32

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Solution

The fourth proportional to 2,415.64, 3,334.18 and 1,368.32 is: 1,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.64 : 3,334.18 = 1,368.32 : x
  2. Step 2: Convert to fraction form
    2,415.64/3,334.18 = 1,368.32/x
  3. Step 3: Cross multiply
    2,415.64x = 3,334.18 × 1,368.32
  4. Step 4: Simplify right side
    2,415.64x = 4,562,225.18
  5. Step 5: Solve for x
    x = 4,562,225.18/2,415.64
  6. Step 6: Final answer
    x = 1,888.62

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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.