Home / 2,477.07-3,418.95-1,429.74

Finding the Fourth Proportional to 2,477.07, 3,418.95 and 1,429.74

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Solution

The fourth proportional to 2,477.07, 3,418.95 and 1,429.74 is: 1,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.07 : 3,418.95 = 1,429.74 : x
  2. Step 2: Convert to fraction form
    2,477.07/3,418.95 = 1,429.74/x
  3. Step 3: Cross multiply
    2,477.07x = 3,418.95 × 1,429.74
  4. Step 4: Simplify right side
    2,477.07x = 4,888,209.57
  5. Step 5: Solve for x
    x = 4,888,209.57/2,477.07
  6. Step 6: Final answer
    x = 1,973.38

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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.