Home / 2,953.41-4,430.09-2,772.99

Finding the Fourth Proportional to 2,953.41, 4,430.09 and 2,772.99

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Solution

The fourth proportional to 2,953.41, 4,430.09 and 2,772.99 is: 4,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.41 : 4,430.09 = 2,772.99 : x
  2. Step 2: Convert to fraction form
    2,953.41/4,430.09 = 2,772.99/x
  3. Step 3: Cross multiply
    2,953.41x = 4,430.09 × 2,772.99
  4. Step 4: Simplify right side
    2,953.41x = 12,284,581.40
  5. Step 5: Solve for x
    x = 12,284,581.40/2,953.41
  6. Step 6: Final answer
    x = 4,159.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.