Home / 1,695.84-2,543.09-1,148.18

Finding the Fourth Proportional to 1,695.84, 2,543.09 and 1,148.18

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Solution

The fourth proportional to 1,695.84, 2,543.09 and 1,148.18 is: 1,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.84 : 2,543.09 = 1,148.18 : x
  2. Step 2: Convert to fraction form
    1,695.84/2,543.09 = 1,148.18/x
  3. Step 3: Cross multiply
    1,695.84x = 2,543.09 × 1,148.18
  4. Step 4: Simplify right side
    1,695.84x = 2,919,925.08
  5. Step 5: Solve for x
    x = 2,919,925.08/1,695.84
  6. Step 6: Final answer
    x = 1,721.82

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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.