Home / 2,476.64-3,417.72-1,357.60

Finding the Fourth Proportional to 2,476.64, 3,417.72 and 1,357.60

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Solution

The fourth proportional to 2,476.64, 3,417.72 and 1,357.60 is: 1,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.64 : 3,417.72 = 1,357.60 : x
  2. Step 2: Convert to fraction form
    2,476.64/3,417.72 = 1,357.60/x
  3. Step 3: Cross multiply
    2,476.64x = 3,417.72 × 1,357.60
  4. Step 4: Simplify right side
    2,476.64x = 4,639,896.67
  5. Step 5: Solve for x
    x = 4,639,896.67/2,476.64
  6. Step 6: Final answer
    x = 1,873.46

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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.