Home / 2,559.16-3,531.63-1,440.11

Finding the Fourth Proportional to 2,559.16, 3,531.63 and 1,440.11

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Solution

The fourth proportional to 2,559.16, 3,531.63 and 1,440.11 is: 1,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.16 : 3,531.63 = 1,440.11 : x
  2. Step 2: Convert to fraction form
    2,559.16/3,531.63 = 1,440.11/x
  3. Step 3: Cross multiply
    2,559.16x = 3,531.63 × 1,440.11
  4. Step 4: Simplify right side
    2,559.16x = 5,085,935.19
  5. Step 5: Solve for x
    x = 5,085,935.19/2,559.16
  6. Step 6: Final answer
    x = 1,987.34

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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.