Home / 1,984.04-2,740.31-1,587.08

Finding the Fourth Proportional to 1,984.04, 2,740.31 and 1,587.08

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Solution

The fourth proportional to 1,984.04, 2,740.31 and 1,587.08 is: 2,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.04 : 2,740.31 = 1,587.08 : x
  2. Step 2: Convert to fraction form
    1,984.04/2,740.31 = 1,587.08/x
  3. Step 3: Cross multiply
    1,984.04x = 2,740.31 × 1,587.08
  4. Step 4: Simplify right side
    1,984.04x = 4,349,091.19
  5. Step 5: Solve for x
    x = 4,349,091.19/1,984.04
  6. Step 6: Final answer
    x = 2,192.04

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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.