Home / 1,783.61-2,461.40-1,038.00

Finding the Fourth Proportional to 1,783.61, 2,461.40 and 1,038.00

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Solution

The fourth proportional to 1,783.61, 2,461.40 and 1,038.00 is: 1,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.61 : 2,461.40 = 1,038.00 : x
  2. Step 2: Convert to fraction form
    1,783.61/2,461.40 = 1,038.00/x
  3. Step 3: Cross multiply
    1,783.61x = 2,461.40 × 1,038.00
  4. Step 4: Simplify right side
    1,783.61x = 2,554,940.10
  5. Step 5: Solve for x
    x = 2,554,940.10/1,783.61
  6. Step 6: Final answer
    x = 1,432.45

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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.