Home / 1,541.04-2,125.74-1,009.74

Finding the Fourth Proportional to 1,541.04, 2,125.74 and 1,009.74

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Solution

The fourth proportional to 1,541.04, 2,125.74 and 1,009.74 is: 1,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.04 : 2,125.74 = 1,009.74 : x
  2. Step 2: Convert to fraction form
    1,541.04/2,125.74 = 1,009.74/x
  3. Step 3: Cross multiply
    1,541.04x = 2,125.74 × 1,009.74
  4. Step 4: Simplify right side
    1,541.04x = 2,146,444.71
  5. Step 5: Solve for x
    x = 2,146,444.71/1,541.04
  6. Step 6: Final answer
    x = 1,392.85

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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.