Home / 2,135.61-2,946.47-1,203.93

Finding the Fourth Proportional to 2,135.61, 2,946.47 and 1,203.93

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Solution

The fourth proportional to 2,135.61, 2,946.47 and 1,203.93 is: 1,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.61 : 2,946.47 = 1,203.93 : x
  2. Step 2: Convert to fraction form
    2,135.61/2,946.47 = 1,203.93/x
  3. Step 3: Cross multiply
    2,135.61x = 2,946.47 × 1,203.93
  4. Step 4: Simplify right side
    2,135.61x = 3,547,337.61
  5. Step 5: Solve for x
    x = 3,547,337.61/2,135.61
  6. Step 6: Final answer
    x = 1,661.04

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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.