Home / 1,844.79-2,545.74-1,005.48

Finding the Fourth Proportional to 1,844.79, 2,545.74 and 1,005.48

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Solution

The fourth proportional to 1,844.79, 2,545.74 and 1,005.48 is: 1,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.79 : 2,545.74 = 1,005.48 : x
  2. Step 2: Convert to fraction form
    1,844.79/2,545.74 = 1,005.48/x
  3. Step 3: Cross multiply
    1,844.79x = 2,545.74 × 1,005.48
  4. Step 4: Simplify right side
    1,844.79x = 2,559,683.50
  5. Step 5: Solve for x
    x = 2,559,683.50/1,844.79
  6. Step 6: Final answer
    x = 1,387.52

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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.