Home / 2,543.07-3,509.44-1,424.01

Finding the Fourth Proportional to 2,543.07, 3,509.44 and 1,424.01

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Solution

The fourth proportional to 2,543.07, 3,509.44 and 1,424.01 is: 1,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.07 : 3,509.44 = 1,424.01 : x
  2. Step 2: Convert to fraction form
    2,543.07/3,509.44 = 1,424.01/x
  3. Step 3: Cross multiply
    2,543.07x = 3,509.44 × 1,424.01
  4. Step 4: Simplify right side
    2,543.07x = 4,997,452.99
  5. Step 5: Solve for x
    x = 4,997,452.99/2,543.07
  6. Step 6: Final answer
    x = 1,965.13

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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.