Home / 2,618.45-3,612.36-1,570.51

Finding the Fourth Proportional to 2,618.45, 3,612.36 and 1,570.51

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Solution

The fourth proportional to 2,618.45, 3,612.36 and 1,570.51 is: 2,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.45 : 3,612.36 = 1,570.51 : x
  2. Step 2: Convert to fraction form
    2,618.45/3,612.36 = 1,570.51/x
  3. Step 3: Cross multiply
    2,618.45x = 3,612.36 × 1,570.51
  4. Step 4: Simplify right side
    2,618.45x = 5,673,247.50
  5. Step 5: Solve for x
    x = 5,673,247.50/2,618.45
  6. Step 6: Final answer
    x = 2,166.64

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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.