Home / 1,841.70-2,541.53-1,002.40

Finding the Fourth Proportional to 1,841.70, 2,541.53 and 1,002.40

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Solution

The fourth proportional to 1,841.70, 2,541.53 and 1,002.40 is: 1,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.70 : 2,541.53 = 1,002.40 : x
  2. Step 2: Convert to fraction form
    1,841.70/2,541.53 = 1,002.40/x
  3. Step 3: Cross multiply
    1,841.70x = 2,541.53 × 1,002.40
  4. Step 4: Simplify right side
    1,841.70x = 2,547,634.48
  5. Step 5: Solve for x
    x = 2,547,634.48/1,841.70
  6. Step 6: Final answer
    x = 1,383.31

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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.