Home / 2,387.80-3,582.36-2,025.16

Finding the Fourth Proportional to 2,387.80, 3,582.36 and 2,025.16

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Solution

The fourth proportional to 2,387.80, 3,582.36 and 2,025.16 is: 3,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.80 : 3,582.36 = 2,025.16 : x
  2. Step 2: Convert to fraction form
    2,387.80/3,582.36 = 2,025.16/x
  3. Step 3: Cross multiply
    2,387.80x = 3,582.36 × 2,025.16
  4. Step 4: Simplify right side
    2,387.80x = 7,254,852.18
  5. Step 5: Solve for x
    x = 7,254,852.18/2,387.80
  6. Step 6: Final answer
    x = 3,038.30

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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.