Home / 1,841.04-2,540.98-1,210.45

Finding the Fourth Proportional to 1,841.04, 2,540.98 and 1,210.45

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Solution

The fourth proportional to 1,841.04, 2,540.98 and 1,210.45 is: 1,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.04 : 2,540.98 = 1,210.45 : x
  2. Step 2: Convert to fraction form
    1,841.04/2,540.98 = 1,210.45/x
  3. Step 3: Cross multiply
    1,841.04x = 2,540.98 × 1,210.45
  4. Step 4: Simplify right side
    1,841.04x = 3,075,729.24
  5. Step 5: Solve for x
    x = 3,075,729.24/1,841.04
  6. Step 6: Final answer
    x = 1,670.65

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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.