Home / 1,503.18-2,254.23-578.27

Finding the Fourth Proportional to 1,503.18, 2,254.23 and 578.27

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Solution

The fourth proportional to 1,503.18, 2,254.23 and 578.27 is: 867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.18 : 2,254.23 = 578.27 : x
  2. Step 2: Convert to fraction form
    1,503.18/2,254.23 = 578.27/x
  3. Step 3: Cross multiply
    1,503.18x = 2,254.23 × 578.27
  4. Step 4: Simplify right side
    1,503.18x = 1,303,559.22
  5. Step 5: Solve for x
    x = 1,303,559.22/1,503.18
  6. Step 6: Final answer
    x = 867.20

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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.