Finding the Fourth Proportional to 1,258, 1,887 and 346
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Solution
The fourth proportional to 1,258, 1,887 and 346 is: 519
Step by Step Solution
- Step 1: Write the proportion equation
1,258 : 1,887 = 346 : x - Step 2: Convert to fraction form
1,258/1,887 = 346/x - Step 3: Cross multiply
1,258x = 1,887 × 346 - Step 4: Simplify right side
1,258x = 652,902 - Step 5: Solve for x
x = 652,902/1,258 - Step 6: Final answer
x = 519
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.