Home / 1,840.02-2,538.48-1,176.72

Finding the Fourth Proportional to 1,840.02, 2,538.48 and 1,176.72

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Solution

The fourth proportional to 1,840.02, 2,538.48 and 1,176.72 is: 1,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.02 : 2,538.48 = 1,176.72 : x
  2. Step 2: Convert to fraction form
    1,840.02/2,538.48 = 1,176.72/x
  3. Step 3: Cross multiply
    1,840.02x = 2,538.48 × 1,176.72
  4. Step 4: Simplify right side
    1,840.02x = 2,987,080.19
  5. Step 5: Solve for x
    x = 2,987,080.19/1,840.02
  6. Step 6: Final answer
    x = 1,623.40

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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.