Home / 2,289.40-3,432.57-1,055.14

Finding the Fourth Proportional to 2,289.40, 3,432.57 and 1,055.14

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Solution

The fourth proportional to 2,289.40, 3,432.57 and 1,055.14 is: 1,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.40 : 3,432.57 = 1,055.14 : x
  2. Step 2: Convert to fraction form
    2,289.40/3,432.57 = 1,055.14/x
  3. Step 3: Cross multiply
    2,289.40x = 3,432.57 × 1,055.14
  4. Step 4: Simplify right side
    2,289.40x = 3,621,841.91
  5. Step 5: Solve for x
    x = 3,621,841.91/2,289.40
  6. Step 6: Final answer
    x = 1,582.00

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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.