Home / 2,740.03-3,780.88-1,545.08

Finding the Fourth Proportional to 2,740.03, 3,780.88 and 1,545.08

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Solution

The fourth proportional to 2,740.03, 3,780.88 and 1,545.08 is: 2,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.03 : 3,780.88 = 1,545.08 : x
  2. Step 2: Convert to fraction form
    2,740.03/3,780.88 = 1,545.08/x
  3. Step 3: Cross multiply
    2,740.03x = 3,780.88 × 1,545.08
  4. Step 4: Simplify right side
    2,740.03x = 5,841,739.30
  5. Step 5: Solve for x
    x = 5,841,739.30/2,740.03
  6. Step 6: Final answer
    x = 2,132.00

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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.