Home / 1,877.60-2,590.52-1,091.49

Finding the Fourth Proportional to 1,877.60, 2,590.52 and 1,091.49

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Solution

The fourth proportional to 1,877.60, 2,590.52 and 1,091.49 is: 1,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.60 : 2,590.52 = 1,091.49 : x
  2. Step 2: Convert to fraction form
    1,877.60/2,590.52 = 1,091.49/x
  3. Step 3: Cross multiply
    1,877.60x = 2,590.52 × 1,091.49
  4. Step 4: Simplify right side
    1,877.60x = 2,827,521.22
  5. Step 5: Solve for x
    x = 2,827,521.22/1,877.60
  6. Step 6: Final answer
    x = 1,505.93

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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.