Home / 3,036.10-4,189.56-1,856.98

Finding the Fourth Proportional to 3,036.10, 4,189.56 and 1,856.98

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Solution

The fourth proportional to 3,036.10, 4,189.56 and 1,856.98 is: 2,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.10 : 4,189.56 = 1,856.98 : x
  2. Step 2: Convert to fraction form
    3,036.10/4,189.56 = 1,856.98/x
  3. Step 3: Cross multiply
    3,036.10x = 4,189.56 × 1,856.98
  4. Step 4: Simplify right side
    3,036.10x = 7,779,929.13
  5. Step 5: Solve for x
    x = 7,779,929.13/3,036.10
  6. Step 6: Final answer
    x = 2,562.47

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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.