Home / 1,877.54-2,590.94-1,038.32

Finding the Fourth Proportional to 1,877.54, 2,590.94 and 1,038.32

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Solution

The fourth proportional to 1,877.54, 2,590.94 and 1,038.32 is: 1,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.54 : 2,590.94 = 1,038.32 : x
  2. Step 2: Convert to fraction form
    1,877.54/2,590.94 = 1,038.32/x
  3. Step 3: Cross multiply
    1,877.54x = 2,590.94 × 1,038.32
  4. Step 4: Simplify right side
    1,877.54x = 2,690,206.67
  5. Step 5: Solve for x
    x = 2,690,206.67/1,877.54
  6. Step 6: Final answer
    x = 1,432.84

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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.