Home / 2,417.66-3,336.17-1,355.18

Finding the Fourth Proportional to 2,417.66, 3,336.17 and 1,355.18

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Solution

The fourth proportional to 2,417.66, 3,336.17 and 1,355.18 is: 1,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.66 : 3,336.17 = 1,355.18 : x
  2. Step 2: Convert to fraction form
    2,417.66/3,336.17 = 1,355.18/x
  3. Step 3: Cross multiply
    2,417.66x = 3,336.17 × 1,355.18
  4. Step 4: Simplify right side
    2,417.66x = 4,521,095.03
  5. Step 5: Solve for x
    x = 4,521,095.03/2,417.66
  6. Step 6: Final answer
    x = 1,870.03

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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.