Home / 2,417.64-3,335.55-1,355.25

Finding the Fourth Proportional to 2,417.64, 3,335.55 and 1,355.25

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Solution

The fourth proportional to 2,417.64, 3,335.55 and 1,355.25 is: 1,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.64 : 3,335.55 = 1,355.25 : x
  2. Step 2: Convert to fraction form
    2,417.64/3,335.55 = 1,355.25/x
  3. Step 3: Cross multiply
    2,417.64x = 3,335.55 × 1,355.25
  4. Step 4: Simplify right side
    2,417.64x = 4,520,504.14
  5. Step 5: Solve for x
    x = 4,520,504.14/2,417.64
  6. Step 6: Final answer
    x = 1,869.80

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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.