Home / 3,479.95-4,802.28-1,886.57

Finding the Fourth Proportional to 3,479.95, 4,802.28 and 1,886.57

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Solution

The fourth proportional to 3,479.95, 4,802.28 and 1,886.57 is: 2,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.95 : 4,802.28 = 1,886.57 : x
  2. Step 2: Convert to fraction form
    3,479.95/4,802.28 = 1,886.57/x
  3. Step 3: Cross multiply
    3,479.95x = 4,802.28 × 1,886.57
  4. Step 4: Simplify right side
    3,479.95x = 9,059,837.38
  5. Step 5: Solve for x
    x = 9,059,837.38/3,479.95
  6. Step 6: Final answer
    x = 2,603.44

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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.