Home / 2,393.18-3,587.02-931.10

Finding the Fourth Proportional to 2,393.18, 3,587.02 and 931.10

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Solution

The fourth proportional to 2,393.18, 3,587.02 and 931.10 is: 1,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.18 : 3,587.02 = 931.10 : x
  2. Step 2: Convert to fraction form
    2,393.18/3,587.02 = 931.10/x
  3. Step 3: Cross multiply
    2,393.18x = 3,587.02 × 931.10
  4. Step 4: Simplify right side
    2,393.18x = 3,339,854.06
  5. Step 5: Solve for x
    x = 3,339,854.06/2,393.18
  6. Step 6: Final answer
    x = 1,395.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.