Home / 1,603.51-2,407.43-1,314.07

Finding the Fourth Proportional to 1,603.51, 2,407.43 and 1,314.07

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Solution

The fourth proportional to 1,603.51, 2,407.43 and 1,314.07 is: 1,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.51 : 2,407.43 = 1,314.07 : x
  2. Step 2: Convert to fraction form
    1,603.51/2,407.43 = 1,314.07/x
  3. Step 3: Cross multiply
    1,603.51x = 2,407.43 × 1,314.07
  4. Step 4: Simplify right side
    1,603.51x = 3,163,531.54
  5. Step 5: Solve for x
    x = 3,163,531.54/1,603.51
  6. Step 6: Final answer
    x = 1,972.88

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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.