Home / 2,885.12-4,328.06-1,036.45

Finding the Fourth Proportional to 2,885.12, 4,328.06 and 1,036.45

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Solution

The fourth proportional to 2,885.12, 4,328.06 and 1,036.45 is: 1,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.12 : 4,328.06 = 1,036.45 : x
  2. Step 2: Convert to fraction form
    2,885.12/4,328.06 = 1,036.45/x
  3. Step 3: Cross multiply
    2,885.12x = 4,328.06 × 1,036.45
  4. Step 4: Simplify right side
    2,885.12x = 4,485,798.74
  5. Step 5: Solve for x
    x = 4,485,798.74/2,885.12
  6. Step 6: Final answer
    x = 1,554.80

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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.