Home / 1,830.94-2,526.98-1,440.92

Finding the Fourth Proportional to 1,830.94, 2,526.98 and 1,440.92

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Solution

The fourth proportional to 1,830.94, 2,526.98 and 1,440.92 is: 1,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.94 : 2,526.98 = 1,440.92 : x
  2. Step 2: Convert to fraction form
    1,830.94/2,526.98 = 1,440.92/x
  3. Step 3: Cross multiply
    1,830.94x = 2,526.98 × 1,440.92
  4. Step 4: Simplify right side
    1,830.94x = 3,641,176.02
  5. Step 5: Solve for x
    x = 3,641,176.02/1,830.94
  6. Step 6: Final answer
    x = 1,988.69

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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.