Home / 2,600.69-3,588.95-1,421.77

Finding the Fourth Proportional to 2,600.69, 3,588.95 and 1,421.77

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Solution

The fourth proportional to 2,600.69, 3,588.95 and 1,421.77 is: 1,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.69 : 3,588.95 = 1,421.77 : x
  2. Step 2: Convert to fraction form
    2,600.69/3,588.95 = 1,421.77/x
  3. Step 3: Cross multiply
    2,600.69x = 3,588.95 × 1,421.77
  4. Step 4: Simplify right side
    2,600.69x = 5,102,652.47
  5. Step 5: Solve for x
    x = 5,102,652.47/2,600.69
  6. Step 6: Final answer
    x = 1,962.04

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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.