Home / 1,492.90-2,237.51-1,248.68

Finding the Fourth Proportional to 1,492.90, 2,237.51 and 1,248.68

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Solution

The fourth proportional to 1,492.90, 2,237.51 and 1,248.68 is: 1,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.90 : 2,237.51 = 1,248.68 : x
  2. Step 2: Convert to fraction form
    1,492.90/2,237.51 = 1,248.68/x
  3. Step 3: Cross multiply
    1,492.90x = 2,237.51 × 1,248.68
  4. Step 4: Simplify right side
    1,492.90x = 2,793,942.70
  5. Step 5: Solve for x
    x = 2,793,942.70/1,492.90
  6. Step 6: Final answer
    x = 1,871.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.