Home / 1,784.88-2,463.29-1,077.07

Finding the Fourth Proportional to 1,784.88, 2,463.29 and 1,077.07

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Solution

The fourth proportional to 1,784.88, 2,463.29 and 1,077.07 is: 1,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.88 : 2,463.29 = 1,077.07 : x
  2. Step 2: Convert to fraction form
    1,784.88/2,463.29 = 1,077.07/x
  3. Step 3: Cross multiply
    1,784.88x = 2,463.29 × 1,077.07
  4. Step 4: Simplify right side
    1,784.88x = 2,653,135.76
  5. Step 5: Solve for x
    x = 2,653,135.76/1,784.88
  6. Step 6: Final answer
    x = 1,486.45

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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.