Home / 1,130.19-1,559.58-632.72

Finding the Fourth Proportional to 1,130.19, 1,559.58 and 632.72

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Solution

The fourth proportional to 1,130.19, 1,559.58 and 632.72 is: 873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.19 : 1,559.58 = 632.72 : x
  2. Step 2: Convert to fraction form
    1,130.19/1,559.58 = 632.72/x
  3. Step 3: Cross multiply
    1,130.19x = 1,559.58 × 632.72
  4. Step 4: Simplify right side
    1,130.19x = 986,769.66
  5. Step 5: Solve for x
    x = 986,769.66/1,130.19
  6. Step 6: Final answer
    x = 873.10

Related Problems

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Half scale
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Double scale
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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.