Home / 1,775.48-2,660.10-1,582.20

Finding the Fourth Proportional to 1,775.48, 2,660.10 and 1,582.20

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Solution

The fourth proportional to 1,775.48, 2,660.10 and 1,582.20 is: 2,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.48 : 2,660.10 = 1,582.20 : x
  2. Step 2: Convert to fraction form
    1,775.48/2,660.10 = 1,582.20/x
  3. Step 3: Cross multiply
    1,775.48x = 2,660.10 × 1,582.20
  4. Step 4: Simplify right side
    1,775.48x = 4,208,802.31
  5. Step 5: Solve for x
    x = 4,208,802.31/1,775.48
  6. Step 6: Final answer
    x = 2,370.52

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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.