Home / 2,430.77-3,353.27-1,435.82

Finding the Fourth Proportional to 2,430.77, 3,353.27 and 1,435.82

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Solution

The fourth proportional to 2,430.77, 3,353.27 and 1,435.82 is: 1,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.77 : 3,353.27 = 1,435.82 : x
  2. Step 2: Convert to fraction form
    2,430.77/3,353.27 = 1,435.82/x
  3. Step 3: Cross multiply
    2,430.77x = 3,353.27 × 1,435.82
  4. Step 4: Simplify right side
    2,430.77x = 4,814,668.19
  5. Step 5: Solve for x
    x = 4,814,668.19/2,430.77
  6. Step 6: Final answer
    x = 1,980.72

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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.