Home / 2,949.11-4,417.28-1,386.77

Finding the Fourth Proportional to 2,949.11, 4,417.28 and 1,386.77

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Solution

The fourth proportional to 2,949.11, 4,417.28 and 1,386.77 is: 2,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.11 : 4,417.28 = 1,386.77 : x
  2. Step 2: Convert to fraction form
    2,949.11/4,417.28 = 1,386.77/x
  3. Step 3: Cross multiply
    2,949.11x = 4,417.28 × 1,386.77
  4. Step 4: Simplify right side
    2,949.11x = 6,125,733.25
  5. Step 5: Solve for x
    x = 6,125,733.25/2,949.11
  6. Step 6: Final answer
    x = 2,077.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.