Home / 1,848.90-2,550.60-1,259.40

Finding the Fourth Proportional to 1,848.90, 2,550.60 and 1,259.40

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Solution

The fourth proportional to 1,848.90, 2,550.60 and 1,259.40 is: 1,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.90 : 2,550.60 = 1,259.40 : x
  2. Step 2: Convert to fraction form
    1,848.90/2,550.60 = 1,259.40/x
  3. Step 3: Cross multiply
    1,848.90x = 2,550.60 × 1,259.40
  4. Step 4: Simplify right side
    1,848.90x = 3,212,225.64
  5. Step 5: Solve for x
    x = 3,212,225.64/1,848.90
  6. Step 6: Final answer
    x = 1,737.37

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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.