Home / 1,875.90-2,591.38-1,354.66

Finding the Fourth Proportional to 1,875.90, 2,591.38 and 1,354.66

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Solution

The fourth proportional to 1,875.90, 2,591.38 and 1,354.66 is: 1,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.90 : 2,591.38 = 1,354.66 : x
  2. Step 2: Convert to fraction form
    1,875.90/2,591.38 = 1,354.66/x
  3. Step 3: Cross multiply
    1,875.90x = 2,591.38 × 1,354.66
  4. Step 4: Simplify right side
    1,875.90x = 3,510,438.83
  5. Step 5: Solve for x
    x = 3,510,438.83/1,875.90
  6. Step 6: Final answer
    x = 1,871.34

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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.