Home / 2,417.54-3,335.91-1,355.15

Finding the Fourth Proportional to 2,417.54, 3,335.91 and 1,355.15

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Solution

The fourth proportional to 2,417.54, 3,335.91 and 1,355.15 is: 1,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.54 : 3,335.91 = 1,355.15 : x
  2. Step 2: Convert to fraction form
    2,417.54/3,335.91 = 1,355.15/x
  3. Step 3: Cross multiply
    2,417.54x = 3,335.91 × 1,355.15
  4. Step 4: Simplify right side
    2,417.54x = 4,520,641.76
  5. Step 5: Solve for x
    x = 4,520,641.76/2,417.54
  6. Step 6: Final answer
    x = 1,869.94

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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.