Home / 2,953.79-4,407.55-2,643.51

Finding the Fourth Proportional to 2,953.79, 4,407.55 and 2,643.51

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Solution

The fourth proportional to 2,953.79, 4,407.55 and 2,643.51 is: 3,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.79 : 4,407.55 = 2,643.51 : x
  2. Step 2: Convert to fraction form
    2,953.79/4,407.55 = 2,643.51/x
  3. Step 3: Cross multiply
    2,953.79x = 4,407.55 × 2,643.51
  4. Step 4: Simplify right side
    2,953.79x = 11,651,389.28
  5. Step 5: Solve for x
    x = 11,651,389.28/2,953.79
  6. Step 6: Final answer
    x = 3,944.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.