Home / 2,559.48-3,532.08-1,440.45

Finding the Fourth Proportional to 2,559.48, 3,532.08 and 1,440.45

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Solution

The fourth proportional to 2,559.48, 3,532.08 and 1,440.45 is: 1,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.48 : 3,532.08 = 1,440.45 : x
  2. Step 2: Convert to fraction form
    2,559.48/3,532.08 = 1,440.45/x
  3. Step 3: Cross multiply
    2,559.48x = 3,532.08 × 1,440.45
  4. Step 4: Simplify right side
    2,559.48x = 5,087,784.64
  5. Step 5: Solve for x
    x = 5,087,784.64/2,559.48
  6. Step 6: Final answer
    x = 1,987.82

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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.