Home / 1,373.80-2,045.17-1,365.70

Finding the Fourth Proportional to 1,373.80, 2,045.17 and 1,365.70

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Solution

The fourth proportional to 1,373.80, 2,045.17 and 1,365.70 is: 2,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.80 : 2,045.17 = 1,365.70 : x
  2. Step 2: Convert to fraction form
    1,373.80/2,045.17 = 1,365.70/x
  3. Step 3: Cross multiply
    1,373.80x = 2,045.17 × 1,365.70
  4. Step 4: Simplify right side
    1,373.80x = 2,793,088.67
  5. Step 5: Solve for x
    x = 2,793,088.67/1,373.80
  6. Step 6: Final answer
    x = 2,033.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.