Home / 2,430.23-3,352.91-1,435.74

Finding the Fourth Proportional to 2,430.23, 3,352.91 and 1,435.74

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Solution

The fourth proportional to 2,430.23, 3,352.91 and 1,435.74 is: 1,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.23 : 3,352.91 = 1,435.74 : x
  2. Step 2: Convert to fraction form
    2,430.23/3,352.91 = 1,435.74/x
  3. Step 3: Cross multiply
    2,430.23x = 3,352.91 × 1,435.74
  4. Step 4: Simplify right side
    2,430.23x = 4,813,899.82
  5. Step 5: Solve for x
    x = 4,813,899.82/2,430.23
  6. Step 6: Final answer
    x = 1,980.85

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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.