Home / 1,934.74-2,670.66-1,307.05

Finding the Fourth Proportional to 1,934.74, 2,670.66 and 1,307.05

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Solution

The fourth proportional to 1,934.74, 2,670.66 and 1,307.05 is: 1,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.74 : 2,670.66 = 1,307.05 : x
  2. Step 2: Convert to fraction form
    1,934.74/2,670.66 = 1,307.05/x
  3. Step 3: Cross multiply
    1,934.74x = 2,670.66 × 1,307.05
  4. Step 4: Simplify right side
    1,934.74x = 3,490,686.15
  5. Step 5: Solve for x
    x = 3,490,686.15/1,934.74
  6. Step 6: Final answer
    x = 1,804.21

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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.